铜        304,775      38,975       12.79
  铝      2,227,400     892,275       40.06
  铅        187,275      67,350       35.96
  镍        369,096     110,226       29.86
  锡          4,460       1,710       38.34
  锌        451,100      22,175        4.92
铝合金       11,680          20        0.17