铜        240,325      68,300       28.42
  铝      2,812,775     924,725       32.88
  铅        190,425      92,750       48.71
  镍        450,186     169,170       37.58
  锡          5,680       1,510       26.58
  锌        477,925      89,150       18.65
铝合金       15,400          20        0.13