Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$360,747$502,521$333,756$704,698$707,181$172,612$243,906
Washers (incl. spring washers) of copper$129,943$271,954$368,217$754,914$209,181$238,292$822,451
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$900,011$2,291,242$3,391,370$3,663,992$2,248,042$2,827,957$3,135,027
Threaded arts. of copper (excl. of 7415.33)$617,142$690,255$899,490$1,487,927$1,181,509$1,403,684$1,849,117
Total$2,007,843$3,755,972$4,992,833$6,611,531$4,345,913$4,642,545$6,050,501