Table 4.--U.S. exports for consumption of cement and clinker (Thousand metric tons and thousand dollars) ------------------------------------------------------------------------------------------------------------- Roman, portland, and Hydraulic White other hydraulic cement nonstaining cement clinker portland cement Total Year ------------------------ ---------------------- --------------------- --------------------- Quantity Value Quantity Value Quantity Value Quantity Value (customs) (customs) (customs) (customs) ------------------------------------------------------------------------------------------------------------- 1970----- 1,950 28,596 365 4,320 41 1,260 2,356 34,176 1971----- 2,111 35,667 645 7,624 30 1,057 2,800 44,348 1972----- 2,896 51,115 1,534 19,672 25 970 4,455 71,757 1973----- 3,551 67,450 2,488 35,501 26 1,177 6,065 104,128 1974----- 3,511 73,315 1,659 26,737 30 1,682 5,200 101,734 1975----- 2,244 49,286 1,095 20,218 19 1,116 3,358 70,620 1976----- 1,925 46,635 873 19,136 21 1,314 2,819 67,085 1977----- 2,172 62,920 1,463 29,224 28 1,861 3,663 94,005 1978----- 3,256 119,048 2,693 69,264 36 2,330 5,985 190,642 1979----- 4,231 165,258 4,235 131,873 73 5,227 8,539 302,358 1980----- 2,932 115,271 1,739 73,931 103 6,371 4,775 195,573 1981----- 2,408 94,653 1,112 46,447 106 10,140 3,626 151,240 1982----- 2,149 81,710 426 18,385 82 10,791 2,657 110,886 1983----- 2,816 109,791 912 33,633 145 18,014 3,872 161,439 1984----- 5,787 204,899 2,009 59,801 229 29,507 8,025 294,207 1985----- 8,692 306,472 4,203 103,067 249 27,890 13,142 437,429 1986----- 10,964 361,149 3,603 79,699 237 28,145 14,804 468,993 1987----- 12,503 384,989 3,328 79,373 250 24,170 16,081 488,532 1988----- 13,812 438,978 1,741 48,626 312 28,119 15,865 515,723 1989----- 12,339 410,326 1,583 50,014 358 29,183 14,280 489,523 1990----- 10,009 354,662 1,682 56,910 350 28,045 12,041 439,617 ------------------------------------------------------------------------------------------------------------- Source: Bureau of the Census.