铜        145,675      39,250       26.94
  铝      2,749,650   1,041,525       37.88
  铅        156,075      47,950       30.72
  镍        428,676     120,966       28.22
  锡          4,795         630       13.14
  锌        431,875      62,475       14.47
铝合金       16,880          20        0.12