Commodity2005200620072008200920102011
Coach screws of iron/steel$334,801$865,738$2,594,438$2,646,716$1,900,404$534,471$1,120,974
Wood screws other than coach screws, of iron/steel$13,483,147$11,574,407$12,802,066$11,935,706$10,757,829$9,201,395$11,573,172
Screw hooks & screw rings, of iron/steel$5,724,979$7,069,310$9,920,922$9,978,500$5,858,025$7,495,263$9,993,940
Self-tapping screws of iron/steel$11,653,732$12,546,342$13,864,789$22,852,082$16,408,831$19,046,800$25,402,942
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$111,468,813$132,459,670$174,086,322$185,969,650$128,027,682$153,956,936$185,333,431
Nuts of iron/steel$15,769,414$18,572,286$26,446,004$24,793,428$18,397,171$32,404,126$45,466,376
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$8,205,508$7,001,274$6,120,780$9,406,321$5,838,965$8,947,939$13,562,555
Spring washers & oth. lock washers, of iron/steel$11,954,906$14,960,902$20,844,943$30,065,919$17,192,363$31,148,815$31,524,047
Washers (excl. of 7318.21) of iron/steel$18,649,186$24,809,401$14,339,862$14,882,216$9,759,913$15,134,025$16,675,995
Rivets of iron/steel$3,851,352$4,856,281$5,479,734$6,578,373$3,160,549$4,684,835$6,050,331
Cotters & cotter-pins, of iron/steel$1,362,248$1,431,897$1,941,527$2,202,646$1,277,495$3,907,207$2,622,340
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$12,481,423$12,198,010$16,111,858$15,700,143$9,390,164$15,875,465$20,566,254
Total$214,939,509$248,345,518$304,553,245$337,011,700$227,969,391$302,337,277$369,892,357