铜        209,300      49,750       23.77
  铝      2,271,475     957,450       42.15
  铅        188,225      69,725       37.04
  镍        371,748     113,052       30.41
  锡          5,475       1,865       34.06
  锌        430,075      21,150        4.92
铝合金       11,600         100        0.86