Commodity2005200620072008200920102011
Coach screws of iron/steel$185,195$297,960$344,339$358,689$314,042$61,222$77,006
Wood screws other than coach screws, of iron/steel$285,423$434,287$653,449$429,387$219,531$432,593$1,424,328
Screw hooks & screw rings, of iron/steel$73,471$13,863$87,486$86,810$40,194$90,967$83,928
Self-tapping screws of iron/steel$1,155,756$899,849$993,812$1,099,432$725,540$1,738,892$1,880,727
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$8,123,994$10,832,847$12,758,099$14,475,860$9,037,632$11,727,139$11,615,818
Nuts of iron/steel$1,730,922$1,858,598$2,460,839$2,640,897$1,475,283$2,585,767$2,776,210
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$302,906$548,912$763,246$1,132,767$1,173,722$1,853,866$906,508
Spring washers & oth. lock washers, of iron/steel$71,676$79,493$73,831$129,723$123,362$157,937$114,853
Washers (excl. of 7318.21) of iron/steel$1,598,912$1,743,599$1,731,263$2,271,021$1,624,944$2,231,019$2,098,756
Rivets of iron/steel$273,704$448,387$564,378$524,668$406,564$527,294$574,726
Cotters & cotter-pins, of iron/steel$463,183$664,277$1,216,415$1,489,583$771,569$1,490,441$6,530,763
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$3,103,297$4,274,885$6,593,471$3,568,481$2,845,680$6,231,867$4,436,871
Total$17,368,439$22,096,957$28,240,628$28,207,318$18,758,063$29,129,004$32,520,494