铜        221,125     111,450       50.40
  铝      2,107,525     722,650       34.29
  铅        187,275      44,225       23.62
  镍        368,850     123,306       33.43
  锡          3,350       1,135       33.88
  锌        438,975     102,225       23.29
铝合金       13,620         280        2.06