铜        155,250      45,250       29.15
  铝      2,544,325   1,128,325       44.35
  铅        185,550      74,025       39.89
  镍        401,874     125,730       31.29
  锡          6,980       1,305       18.70
  锌        385,075      30,725        7.98
铝合金       14,640         820        5.60