铜        236,675      94,150       39.78
  铝      2,144,850     758,625       35.37
  铅        187,725      45,075       24.01
  镍        367,008     126,606       34.50
  锡          3,185       1,305       40.97
  锌        442,000      78,575       17.78
铝合金       13,620          20        0.15