铜        331,100     119,425       36.07
  铝      2,176,800     643,800       29.58
  铅        195,800      44,150       22.55
  镍        371,406     126,432       34.04
  锡          3,660         860       23.50
  锌        428,325     104,175       24.32
铝合金       13,200         360        2.73