铜        144,750      44,075       30.45
  铝      2,792,000     972,700       34.84
  铅        156,025      49,200       31.53
  镍        431,652     123,816       28.68
  锡          4,800         525       10.94
  锌        435,550      65,575       15.06
铝合金       16,880          20        0.12