铜        237,375      60,525       25.50
  铝      2,819,525     927,925       32.91
  铅        187,650      93,000       49.56
  镍        450,828     171,798       38.11
  锡          5,815       1,330       22.87
  锌        478,650      89,875       18.78
铝合金       15,320          20        0.13