Commodity200620072008200920102011
Inner tubes, of rubber, of a kind used on motor cars (incl. station wagons ...$371,602$361,035$229,948$89,132$36,809$43,123
Inner tubes, of rubber, of a kind used on bicycles$1,189,939$1,548,033$2,562,500$2,317,584$1,340,502$1,631,331
Inner tubes, of rubber (excl. of 4013.10 & 4013.20)$2,003,839$2,581,912$3,386,300$3,577,409$3,192,526$2,635,666
Total$3,565,380$4,490,980$6,178,748$5,984,125$4,569,837$4,310,120