铜        213,725      78,050       36.52 
  铝      2,324,125     925,500       39.82 
  铅        187,225      70,800       37.82 
  镍        373,614     112,614       30.14 
  锡          5,710       2,245       39.32 
  锌        436,600      19,850        4.55 
铝合金       11,700          20        0.17