Table 1.--U.S. historical salient crushed stone statistics in the United States1/,2/ (Thousand metric tons and thousand dollars) ---------------------------------------------------------------------------------------------------- 1971 1972 1973 1974 ---------------------------------------------------------------------------------------------------- Sold or used by producers: Crushed stone -------------------- 793,331 833,643 960,293 944,916 Value --------------------------- 1,500,933 1,581,530 1,904,464 2,085,800 Exports (value) -------------------- 11,489 11,107 13,063 18,159 Imports for consumption (value)----- 4,745 6,026 7,135 8,459 ---------------------------------------------------------------- 1975 1976 1977 1978 ---------------------------------------------------------------- Sold or used by producers: Crushed stone -------------------- 816,454 816,700 865,414 952,150 Value --------------------------- 2,022,000 2,117,000 2,353,000 2,773,000 Exports (value) -------------------- 22,100 24,000 22,600 31,400 Imports for consumption (value)----- 8,054 9,379 11,376 14,249 ---------------------------------------------------------------- 1979 1980 1981 1982 ---------------------------------------------------------------- Sold or used by producers: Crushed stone -------------------- 994,522 892,254 791,647 e/716,704 Value --------------------------- 3,265,300 3,265,800 3,125,000 e/2,918,300 Exports (value) -------------------- 23,000 21,239 25,949 19,026 Imports for consumption (value)3/--- 15,981 13,824 13,473 16,382 ---------------------------------------------------------------- 1983 1984 1985 1986 ---------------------------------------------------------------- Sold or used by producers: Crushed stone -------------------- 781,672 e/867,270 907,908 e/928,233 Value --------------------------- 3,327,000 e/3,755,600 4,053,000 e/4,255,000 Exports (value) -------------------- 23,021 23,970 29,347 36,957 Imports for consumption (value)3/--- 12,610 17,543 11,640 12,451 ---------------------------------------------------------------- 1987 1988 1989 1990 ---------------------------------------------------------------- Sold or used by producers: Crushed stone -------------------- 1,088,740 e/1,131,986 1,100,807 e/1,108,581 Value --------------------------- 5,248,600 e/5,558,100 5,325,800 e/5,591,300 Exports (value) -------------------- 26,063 30,413 23,345 41,400 Imports for consumption (value)3/--- 14,024 16,789 36,870 35,310 ---------------------------------------------------------------------------------------------------- e/Estimated. 1/In 1981, crushed stone became biennial; data are estimated for even-numbered years. 2/Does not include American Samoa, Guam, Puerto Rico, or the Virgin Islands. 3/Data excludes precipitated calcium carbonate.