Commodity2005200620072008200920102011
Coach screws of iron/steel$22,684,902$21,070,803$20,304,073$23,692,467$15,756,039$19,213,914$22,760,384
Wood screws other than coach screws, of iron/steel$20,042,733$17,729,418$14,838,014$14,647,449$22,628,231$26,657,017$30,097,282
Screw hooks & screw rings, of iron/steel$13,055,748$12,242,225$11,077,241$11,258,576$10,238,056$12,150,465$13,225,840
Self-tapping screws of iron/steel$599,507,243$662,432,117$619,658,387$656,708,512$397,300,353$545,148,251$594,628,589
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$1,666,483,075$1,763,297,835$1,812,780,909$1,984,904,201$1,227,378,578$1,698,374,667$2,054,918,654
Nuts of iron/steel$713,549,750$748,509,729$788,209,088$865,707,762$530,075,591$727,069,744$925,651,339
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$55,663,556$67,579,921$74,016,012$76,122,610$54,573,712$70,879,990$91,728,540
Spring washers & oth. lock washers, of iron/steel$27,702,771$30,741,841$33,591,502$39,316,499$24,133,900$39,044,061$46,593,807
Washers (excl. of 7318.21) of iron/steel$183,404,255$206,486,081$198,131,548$222,580,667$129,271,690$191,600,093$233,337,815
Rivets of iron/steel$56,310,719$64,949,826$65,042,646$64,771,751$37,264,900$44,891,242$56,604,518
Cotters & cotter-pins, of iron/steel$28,202,918$34,038,230$35,715,815$37,583,159$27,332,544$43,190,282$50,279,824
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$233,200,377$238,217,079$255,637,689$267,337,649$176,312,904$234,535,317$293,433,374
Total$3,619,808,047$3,867,295,105$3,929,002,924$4,264,631,302$2,652,266,498$3,652,755,043$4,413,259,966