Commodity2005200620072008200920102011
Nails, tacks, drawing pins, staples (excl. of 83.05) & sim. arts., of coppe ...$5,346$1,281$3,660$6,055$2,923$78,266 
Washers (incl. spring washers) of copper$4,983$6,141$12,217$34,422$15,632$1,934$6,466
Non-threaded arts. (e.g., rivets, cotters), of copper (excl. of 7415.10 & 7 ...$265,938$9,042$33,836$34,811$32,715$154,286$281,659
Threaded arts. of copper (excl. of 7415.33)$13,056$5,484$24,904$19,077$23,348$11,249$12,903
Total$289,323$21,948$74,617$94,365$74,618$245,735$301,028