Commodity2005200620072008200920102011
Coach screws of iron/steel$1,707$43,271$95,445$43,978$53,971$59,249$24,644
Wood screws other than coach screws, of iron/steel$291,835$233,134$226,572$306,923$293,281$131,612$253,942
Screw hooks & screw rings, of iron/steel$101,818$58,189$78,521$96,264$98,640$97,084$94,971
Self-tapping screws of iron/steel$193,450$241,877$324,064$346,259$226,507$329,693$577,007
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$5,565,662$5,830,668$7,033,574$7,477,128$6,748,711$8,569,966$12,686,070
Nuts of iron/steel$1,185,492$1,400,790$1,448,999$1,867,101$1,519,825$1,767,609$2,089,558
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$1,334,589$758,321$1,108,118$1,312,363$1,333,396$1,420,782$1,724,167
Spring washers & oth. lock washers, of iron/steel$133,415$188,565$220,928$244,115$173,143$173,054$183,977
Washers (excl. of 7318.21) of iron/steel$570,313$610,424$776,558$872,179$865,817$771,364$1,210,790
Rivets of iron/steel$200,575$234,167$255,318$404,383$252,439$396,651$396,252
Cotters & cotter-pins, of iron/steel$286,680$266,712$368,950$372,705$309,713$422,631$462,433
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$1,416,300$1,159,602$1,746,277$2,449,737$2,336,442$1,211,751$1,828,861
Total$11,281,836$11,025,720$13,683,324$15,793,135$14,211,885$15,351,446$21,532,672