铜        334,525     117,725       35.19
  铝      2,150,025     648,575       30.17
  铅        196,000      44,200       22.55
  镍        371,568     125,664       33.82
  锡          3,660         860       23.50
  锌        428,675     104,425       24.36
铝合金       13,200         360        2.73