铜        241,250      70,850       29.37
  铝      2,806,775     900,725       32.09
  铅        189,700      92,025       48.51
  镍        451,500     167,154       37.02
  锡          5,650       1,495       26.46
  锌        476,725      92,900       19.49
铝合金       15,400          20        0.13