Table 4.--U.S. sulfur production and average value (Thousand metric tons and dollars per long ton, f.o.b. mine and/or plant) -------------------------------------------------------------------------------------------------------------- Production Value Posted price, ---------------------- --------------------------------------- Tampa, FL., Year Frasch Recovered Frasch Recovered All elemental liquid-terminal -------------------------------------------------------------------------------------------------------------- 1970 7,196 1,480 23.28 20.56 22.77 27.00 1971 7,138 1,621 17.22 17.10 17.19 26.00 1972 7,407 1,981 17.12 15.35 16.76 25.00 1973 7,727 2,455 18.34 15.21 17.56 31.00 1974 8,028 2,674 30.04 23.41 28.42 57.00 1975 7,327 3,017 49.37 35.57 44.91 65.00 1976 6,365 3,188 50.38 37.02 45.72 61.00 1977 5,915 3,624 48.88 36.91 44.38 61.00 1978 5,648 4,062 48.80 40.07 45.17 68.50 1979 6,357 4,070 59.87 48.23 55.75 95.75 1980 6,390 4,073 97.36 74.13 89.06 140.00 1981 6,348 4,259 121.10 97.96 111.48 147.50 1982 4,210 4,404 120.79 97.89 108.27 135.00 1983 3,202 4,955 100.76 76.22 87.24 132.50 1984 4,193 5,214 109.20 80.02 94.31 147.50 1985 5,011 5,313 122.62 92.11 106.46 147.50 1986 4,043 5,816 123.79 92.06 105.22 142.50 1987 3,202 6,161 107.15 79.63 89.78 128.00 1988 3,174 6,444 99.24 77.03 85.95 142.00 1989 3,888 6,510 100.18 78.70 86.62 117.50 1990 3,726 6,536 91.17 73.89 80.14 135.00 ----------------------------------------------------------------------------------------------------- Table 4.--U.S. sulfur production and average value (Thousand metric tons and dollars per long ton, f.o.b. mine and/or plant) -------------------------------------------------------------------------------------------------------------- Production Value Posted price, ---------------------- --------------------------------------- Tampa, FL., Year Frasch Recovered Frasch Recovered All elemental liquid-terminal -------------------------------------------------------------------------------------------------------------- 1970 7,196 1,480 23.28 20.56 22.77 27.00 1971 7,138 1,621 17.22 17.10 17.19 26.00 1972 7,407 1,981 17.12 15.35 16.76 25.00 1973 7,727 2,455 18.34 15.21 17.56 31.00 1974 8,028 2,674 30.04 23.41 28.42 57.00 1975 7,327 3,017 49.37 35.57 44.91 65.00 1976 6,365 3,188 50.38 37.02 45.72 61.00 1977 5,915 3,624 48.88 36.91 44.38 61.00 1978 5,648 4,062 48.80 40.07 45.17 68.50 1979 6,357 4,070 59.87 48.23 55.75 95.75 1980 6,390 4,073 97.36 74.13 89.06 140.00 1981 6,348 4,259 121.10 97.96 111.48 147.50 1982 4,210 4,404 120.79 97.89 108.27 135.00 1983 3,202 4,955 100.76 76.22 87.24 132.50 1984 4,193 5,214 109.20 80.02 94.31 147.50 1985 5,011 5,313 122.62 92.11 106.46 147.50 1986 4,043 5,816 123.79 92.06 105.22 142.50 1987 3,202 6,161 107.15 79.63 89.78 128.00 1988 3,174 6,444 99.24 77.03 85.95 142.00 1989 3,888 6,510 100.18 78.70 86.62 117.50 1990 3,726 6,536 91.17 73.89 80.14 135.00 -----------------------------------------------------------------------------------------------------