Commodity2005200620072008200920102011
Coach screws of iron/steel$117,845$226,798$475,678$628,751$801,455$736,747$719,907
Wood screws other than coach screws, of iron/steel$1,589,085$2,397,584$2,492,685$2,182,129$1,798,857$1,981,737$2,355,711
Screw hooks & screw rings, of iron/steel$216,281$236,366$226,013$285,817$269,734$366,629$435,745
Self-tapping screws of iron/steel$2,073,973$2,644,430$3,247,116$2,409,016$1,848,531$1,908,351$2,600,137
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$10,598,520$13,075,585$12,731,642$14,988,163$9,928,961$10,325,504$13,704,985
Nuts of iron/steel$758,795$738,117$916,734$1,294,992$1,051,368$1,200,713$1,435,701
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$2,623,868$2,942,560$3,897,823$3,569,279$2,556,396$2,110,405$2,779,746
Spring washers & oth. lock washers, of iron/steel$187,218$236,618$315,845$378,476$338,625$331,539$309,294
Washers (excl. of 7318.21) of iron/steel$1,075,176$1,020,425$1,125,357$1,086,770$1,109,520$769,274$986,741
Rivets of iron/steel$148,627$236,036$313,040$345,272$199,654$162,806$191,133
Cotters & cotter-pins, of iron/steel$365,670$368,678$532,948$616,047$541,306$613,298$458,051
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$1,181,335$1,352,341$2,491,863$3,264,237$2,359,335$2,033,950$2,639,552
Total$20,936,393$25,475,538$28,766,744$31,048,949$22,803,742$22,540,953$28,616,703