Commodity2005200620072008200920102011
Coach screws of iron/steel$74,440$29,666$5,106$116,661$169,557$253,844$247,734
Wood screws other than coach screws, of iron/steel$6,226,460$7,300,255$16,168,744$10,995,141$7,114,482$10,514,702$11,108,061
Screw hooks & screw rings, of iron/steel$1,025,194$892,168$885,626$1,427,889$1,163,565$2,230,302$2,283,208
Self-tapping screws of iron/steel$10,071,227$10,971,931$16,840,682$29,438,471$23,027,375$28,577,841$35,996,864
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$85,507,196$98,411,301$127,422,853$147,135,556$81,823,224$120,018,254$174,070,351
Nuts of iron/steel$6,945,689$7,486,512$8,032,101$9,917,157$5,853,646$8,030,383$11,734,976
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$7,004,420$13,305,822$17,632,841$26,986,926$17,255,288$22,085,041$29,417,954
Spring washers & oth. lock washers, of iron/steel$1,368,278$3,034,868$5,314,317$5,586,421$5,786,275$6,171,962$4,579,132
Washers (excl. of 7318.21) of iron/steel$7,250,533$6,354,156$3,143,820$8,069,184$6,314,118$6,077,024$8,174,748
Rivets of iron/steel$1,286,306$1,692,701$1,764,561$1,820,297$1,286,350$1,357,846$1,756,969
Cotters & cotter-pins, of iron/steel$610,882$898,731$1,341,009$1,298,068$668,545$766,616$864,872
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$41,725,813$39,036,681$52,724,889$66,339,756$49,326,712$69,080,169$77,317,676
Total$169,096,438$189,414,792$251,276,549$309,131,527$199,789,137$275,163,984$357,552,545