铜        319,000     145,975       45.76
  铝      2,137,350     770,800       36.06
  铅        188,700      32,375       17.16
  镍        362,922     122,586       33.78
  锡          2,895       1,765       60.97
  锌        450,575      62,200       13.80
铝合金       13,680          20        0.15