Table 8.--U.S. crushed stone sold or used by producers, by size of operation, 1971-76 (Thousand metric tons unless otherwise specified) ----------------------------------------------------------------------------------------------------------------- 1971 1972 1973 Size range ----------------------------- ----------------------------- ----------------------------- Number of Number of Number of operations Quantity Percent operations Quantity Percent operations Quantity Percent ----------------------------------------------------------------------------------------------------------------- Less than 24,999-------- 1,872 14,376 1.8 1,756 13,503 1.6 1,600 12,340 1.3 25,000 to 49,999-------- 597 19,384 2.4 521 17,063 2.0 660 21,973 2.3 50,000 to 74,999-------- 341 19,177 2.4 350 19,414 2.3 339 18,584 1.9 75,000 to 99,999-------- 233 18,056 2.3 245 19,338 2.3 253 19,905 2.1 100,000 to 199,999------ 518 68,806 8.7 536 69,551 8.3 634 82,530 8.6 200,000 to 299,999------ 308 69,104 8.7 336 75,178 9.0 308 68,826 7.2 300,000 to 399,999------ 238 75,204 9.5 225 70,989 8.5 233 73,433 7.6 400,000 to 499,999------ 147 59,727 7.5 160 65,237 7.8 182 73,442 7.7 500,000 to 599,999------ 99 48,964 6.2 105 52,400 6.3 126 62,508 6.5 600,000 to 699,999------ 78 45,623 5.8 84 49,034 5.9 98 56,908 5.9 700,000 to 799,999------ 49 33,166 4.2 55 37,222 4.5 76 51,432 5.4 800,000 to 899,999------ 54 41,451 5.2 43 33,183 4.0 51 38,753 4.0 900,0000 and over------- 185 280,293 35.3 211 311,529 37.4 248 379,659 39.5 ----------------------------------------------------------------------------------------- Total1/------------ 4,719 793,331 100.0 4,627 833,643 100.0 4,808 960,293 100.0 ----------------------------------------------------------------------------------------- 1974 1975 1976 ----------------------------- ----------------------------- ----------------------------- Number of Number of Number of operations Quantity Percent operations Quantity Percent operations Quantity Percent ----------------------------------------------------------------------------------------- Less than 24,999-------- 2,156 18,677 2.0 2,150 14,834 2.0 2,030 13,229 2.0 25,000 to 49,999-------- 687 21,909 2.0 718 22,774 3.0 705 22,847 3.0 50,000 to 74,999-------- 374 20,610 2.0 382 21,114 3.0 320 17,914 2.0 75,000 to 99,999-------- 259 20,459 2.0 301 23,708 3.0 253 19,862 2.0 100,000 to 199,999------ 604 78,522 8.0 624 79,880 10.0 668 84,924 10.0 200,000 to 299,999------ 332 74,894 8.0 383 85,632 10.0 368 81,265 10.0 300,000 to 399,999------ 278 87,333 9.0 234 72,999 9.0 215 66,861 8.0 400,000 to 499,999------ 166 67,167 7.0 168 67,369 8.0 177 70,910 9.0 500,000 to 599,999------ 129 64,358 7.0 108 54,301 7.0 109 54,348 7.0 600,000 to 699,999------ 94 55,397 6.0 83 48,471 6.0 92 53,840 7.0 700,000 to 799,999------ 69 47,033 5.0 64 42,989 5.0 65 44,277 5.0 800,000 to 899,999------ 55 42,569 5.0 55 42,297 5.0 43 33,044 4.0 900,000 and over-------- 228 345,983 37.0 155 240,087 29.0 169 253,382 31.0 ----------------------------------------------------------------------------------------- Total1/------------ 5,431 944,916 100.0 5,425 816,454 100.0 5,214 816,700 100.0 ----------------------------------------------------------------------------------------------------------------- 1/Data may not add to totals shown because of independent rounding and conversions to metric tons.