Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$23,816$16,473$81,986$75,232$76,440$55,092$169,083
Washers (incl. spring washers) of copper$43,241$13,172$5,664$8,001$5,365$24,822$107,559
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$32,228$225,922$313,677$486,714$495,730$545,776$942,054
Threaded arts. of copper (excl. of 7415.33)$247,770$610,230$1,062,535$1,999,907$1,384,688$1,329,485$1,531,125
Total$347,055$865,797$1,463,862$2,569,854$1,962,223$1,955,175$2,749,821