铜        155,275      44,200       28.47 
  铝      2,846,500     896,075       31.48 
  铅        163,200      56,575       34.67 
  镍        432,324     125,388       29.00 
  锡          4,330         340        7.85 
  锌        443,400      52,900       11.93 
铝合金       16,880          20        0.12