Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$586,305$420,607$153,047$700,541$617,497$310,585$285,225
Washers (incl. spring washers) of copper$291,489$617,327$619,263$850,908$791,720$1,423,632$1,970,808
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$879,153$1,493,296$956,304$1,178,683$1,311,811$1,689,756$1,272,204
Threaded arts. of copper (excl. of 7415.33)$1,954,436$3,205,799$4,256,845$5,392,448$1,656,956$2,083,771$2,284,854
Total$3,711,383$5,737,029$5,985,459$8,122,580$4,377,984$5,507,744$5,813,091