铜        213,325     104,475       48.97
  铝      2,101,775     718,350       34.18
  铅        187,275      47,375       25.30
  镍        368,772     125,454       34.02
  锡          3,235       1,000       30.91
  锌        438,300     101,650       23.19
铝合金       13,620         360        2.64