铜        291,625     128,550      44.08
  铝      2,120,725     777,100      36.64
  铅        188,050      31,725      16.87
  镍        362,970     121,674      33.52
  锡          2,930       1,805      61.60
  锌        448,575      61,525      13.72
铝合金       13,680          20       0.15