铜        222,600      59,800       26.86
  铝      2,344,175     999,050       42.62
  铅        184,525      71,350       38.67
  镍        377,736     118,764       31.44
  锡          6,045       1,395       23.08
  锌        439,575      14,850        3.38
铝合金       11,900         300        2.52