Commodity200520062007200820092010
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$238,935$997,403$800,390$861,440$365,327$417,095
Washers (incl. spring washers) of copper$798,504$644,354$825,704$1,040,079$742,897$1,525,054
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$2,089,529$3,063,825$3,962,897$4,789,227$4,834,212$5,310,123
Threaded arts. of copper (excl. of 7415.33)$3,136,701$3,823,469$4,839,642$4,963,728$3,526,622$4,514,091
Total$6,263,669$8,529,051$10,428,633$11,654,474$9,469,058$11,766,363