Table 1.--Salient sulfur statistics (Million metric tons sulfur content) ------------------------------------------------------------------------------------------------------------ 1970 1971 1972 1973 1974 1975 1976 ------------------------------------------------------------------------------------------------------------ Production: Frasch.................................... 7.196 7.138 7.407 7.727 8.028 7.327 6.365 Recovered elemental from natural gas...... .669 .648 .832 1.063 1.238 1.364 1.298 Recovered from petroleum refining1/....... .811 .973 1.149 1.392 1.436 1.653 1.890 Byproduct sulfuric acid................... .546 .526 .555 .610 .664 .779 .957 Pyrites................................... .344 .321 .288 .215 .165 .241 .291 Other forms2/............................. .144 .128 .151 .089 .071 .076 .078 --------------------------------------------------------------- Total................................ 9.710 9.734 10.382 11.096 11.602 11.440 10.879 --------------------------------------------------------------- Shipments (sold or used): Frasch.................................... 6.608 6.846 7.735 7.557 8.025 6.175 5.954 Recovered elemental....................... 1.495 1.608 1.958 2.490 2.588 2.949 3.196 Byproduct sulfuric acid................... .546 .526 .555 .610 .664 .779 .957 Pyrites................................... .344 .321 .288 .215 .165 .241 .291 Other forms2/............................. .144 .128 .151 .089 .071 .076 .078 --------------------------------------------------------------- Total................................ 9.137 9.429 10.687 10.961 11.513 10.220 10.476 --------------------------------------------------------------- Imports: Frasch (Mexico)........................... .548 .456 .273 .307 .969 .982 .743 Recovered elemental (Canada).............. 1.014 .864 .882 .920 1.213 .945 .985 Recovered elemental (other)............... -- -- .001 .015 .002 (3/) .027 Pyrites (Canada).......................... .132 .132 .051 -- -- -- -- --------------------------------------------------------------- Total................................ 1.694 1.452 1.207 1.242 2.184 1.927 1.755 Exports: Frasch and recovered...................... 1.456 1.561 1.882 1.804 2.706 1.374 1.290 --------------------------------------------------------------- Consumption:4/ Frasch: Domestic................................ 5.152 5.285 5.853 5.753 5.382 4.859 4.737 Imports................................. .548 .456 .273 .307 .969 .982 .743 Recovered elemental: Domestic................................ 1.495 1.608 1.958 2.490 2.525 2.891 3.123 Imports................................. 1.014 .864 .883 .935 1.215 .945 1.012 --------------------------------------------------------------- Total elemental...................... 8.209 8.213 8.967 9.485 10.091 9.677 9.615 Byproduct sulfuric acid..................... .546 .526 .555 .610 .664 .779 .957 Pyrites: Domestic.................................. .344 .321 .288 .215 .165 .241 .291 Imports................................... .132 .132 .051 -- -- -- -- Other forms2/............................... .144 .128 .151 .089 .071 .076 .078 --------------------------------------------------------------- Total................................ 9.375 9.320 10.012 10.399 10.991 10.773 10.941 --------------------------------------------------------------- Yearend producers' stocks:5/ Frasch.................................... 3.804 4.088 3.724 3.877 3.804 4.935 5.382 Recovered................................. .086 .098 .133 .113 .216 .273 .270 --------------------------------------------------------------- Total................................ 3.890 4.186 3.857 3.990 4.020 5.208 5.652 --------------------------------------------------------------- 1977 1978 1979 1980 1981 1982 1983 --------------------------------------------------------------- Production: Frasch.................................... 5.915 5.648 6.357 6.390 6.348 4.210 3.202 Recovered elemental from natural gas...... 1.426 1.753 1.760 1.757 1.971 1.960 2.371 Recovered from petroleum refining1/....... 2.198 2.309 2.310 2.316 2.288 2.444 2.584 Byproduct sulfuric acid................... .960 1.103 1.167 1.003 1.159 .828 .831 Pyrites................................... .169 .301 .400 .322 .307 .265 W Other forms2/............................. .059 .061 .107 .078 .072 .080 .302 --------------------------------------------------------------- Total................................ 10.727 11.175 12.101 11.866 12.145 9.787 9.290 --------------------------------------------- See footnotes at end of table. Table 1.--Salient sulfur statistics--Continued. (Million metric tons sulfur content) ------------------------------------------------------------------------------------------------------------ 1977 1978 1979 1980 1981 1982 1983 ------------------------------------------------------------------------------------------------------------ Shipments (sold or used): Frasch.................................... 6.030 5.736 7.507 7.400 5.910 3.598 4.111 Recovered elemental....................... 3.627 4.088 4.108 4.115 4.207 4.344 5.041 Byproduct sulfuric acid................... .960 1.103 1.167 1.003 1.159 .828 .831 Pyrites................................... .169 .301 .400 .322 .307 .265 W Other forms2/............................. .059 .061 .107 .078 .072 .080 .302 --------------------------------------------------------------- Total................................ 10.845 11.289 13.289 12.918 11.655 9.115 10.285 --------------------------------------------------------------- Imports: Frasch (Mexico)........................... .781 .993 1.229 .990 .856 .690 .604 Recovered elemental (Canada).............. 1.186 1.185 1.265 1.517 1.666 1.215 1.091 Recovered elemental (other)............... .042 (3/) (3/) .016 (3/) (3/) (3/) Pyrites (Canada).......................... -- -- -- -- -- -- -- --------------------------------------------------------------- Total................................ 2.009 4/2.177 2.494 2.523 2.522 1.905 1.695 Exports: Frasch and recovered...................... 1.197 .866 2.044 1.782 1.392 .961 .992 --------------------------------------------------------------- Consumption:4/ Frasch: Domestic................................ 4.942 4.909 5.544 5.727 4.694 2.867 3.510 Imports................................. .781 .993 1.229 .990 .856 .690 .604 Recovered elemental: Domestic................................ 3.518 4.049 4.027 4.006 4.031 4.114 4.650 Imports................................. 1.228 1.185 1.265 1.533 1.666 1.215 1.091 --------------------------------------------------------------- Total elemental...................... 10.469 11.136 12.065 12.256 11.247 8.886 9.855 Byproduct sulfuric acid..................... .960 1.103 1.167 1.003 1.159 .828 .831 Pyrites: Domestic.................................. .169 .301 .400 .322 .307 .265 W Imports................................... -- -- -- -- -- -- -- Other forms2/............................... .059 .061 .107 .078 .072 .080 .302 --------------------------------------------------------------- Total................................ 11.657 4/12.600 13.739 13.659 12.785 10.059 10.988 --------------------------------------------------------------- Yearend producers' stocks:5/ Frasch.................................... 5.288 5.123 4.058 2.954 3.442 3.964 3.065 Recovered................................. .269 .222 .181 .140 .192 .238 .153 --------------------------------------------------------------- Total................................ 5.557 5.345 4.239 3.094 3.634 4.202 3.218 --------------------------------------------------------------- 1984 1985 1986 1987 1988 1989 1990 --------------------------------------------------------------- Production: Frasch.................................... 4.193 5.011 4.043 3.202 3.174 3.888 3.726 Recovered elemental from natural gas...... 2.407 2.373 2.246 2.536 2.501 2.537 2.335 Recovered from petroleum refining1/....... 2.807 2.940 3.570 3.624 3.943 3.973 4.199 Byproduct sulfuric acid................... .962 .957 .919 1.003 1.125 1.190 1.294 Pyrites................................... W W W W W W W Other forms2/............................. .283 .328 .309 .173 .003 .004 .004 --------------------------------------------------------------- Total................................ 10.652 11.609 11.087 10.538 10.746 11.592 11.558 --------------------------------------------------------------- Shipments (sold or used): Frasch.................................... 5.001 4.678 4.108 3.610 4.341 3.780 3.676 Recovered elemental....................... 5.210 5.266 5.798 6.180 6.470 6.475 6.483 Byproduct sulfuric acid................... .962 .957 .919 1.003 1.125 1.190 1.294 Pyrites................................... W W W W W W W Other forms2/............................. .283 .328 .309 .173 .003 .004 .004 --------------------------------------------------------------- Total................................ 11.456 11.229 11.134 10.966 11.939 11.449 11.457 --------------------------------------------- See footnotes at end of table. Table 1.--Salient sulfur statistics--Continued. (Million metric tons sulfur content) ------------------------------------------------------------------------------------------------------------ 1984 1985 1986 1987 1988 1989 1990 ------------------------------------------------------------------------------------------------------------ Imports: Frasch (Mexico)........................... .722 .724 .726 .793 1.079 1.086 1.129 Recovered elemental (Canada).............. 1.812 1.354 .605 .764 .913 1.149 1.424 Recovered elemental (other)............... .023 .026 .016 .042 .004 .025 .018 Pyrites (Canada).......................... -- -- -- -- -- -- -- --------------------------------------------------------------- Total................................ 2.557 2.104 1.347 1.599 1.996 2.260 2.571 Exports: Frasch and recovered...................... 1.334 1.365 1.895 1.242 1.223 1.024 .972 --------------------------------------------------------------- Consumption:4/ Frasch: Domestic................................ 4.090 3.692 2.858 3.145 3.877 3.450 3.328 Imports................................. .722 .724 .726 .793 1.079 1.086 1.129 Recovered elemental: Domestic................................ 4.787 4.887 5.153 5.403 5.711 5.781 5.859 Imports................................. 1.835 1.380 .621 .806 .917 1.174 1.442 --------------------------------------------------------------- Total elemental...................... 11.434 10.683 9.358 10.147 11.584 11.491 11.758 Byproduct sulfuric acid..................... .962 .957 .919 1.003 1.125 1.190 1.294 Pyrites: Domestic.................................. W W W W W W W Imports................................... -- -- -- -- -- -- -- Other forms2/............................... .283 .328 .309 .173 .003 .004 .004 --------------------------------------------------------------- Total................................ 12.679 11.968 10.586 11.323 12.712 12.685 13.056 --------------------------------------------------------------- Yearend producers' stocks:5/ Frasch.................................... 2.279 2.598 2.532 2.122 .954 1.109 1.177 Recovered................................. .155 .201 .216 .194 .158 .193 .245 --------------------------------------------------------------- Total................................ 2.434 2.799 2.748 2.316 1.112 6/1.301 6/1.423 ------------------------------------------------------------------------------------------------------------ W Withheld to avoid disclosing company proprietary data; included in "Other forms." 1/Includes small quantity from coking operations. 2/Hydrogen sulfide and liquid sulfur dioxide and data indicated by the symbol W. 3/Less than 1/2 unit. 4/Measured as shipments plus imports minus exports. 5/Reported producers' stocks after inventory adjustments. 6/Data do not add to total shown because of independent rounding.