Commodity2005200620072008200920102011
Inner tubes, of rubber, of a kind used on motor cars (incl. station wagons ...$266,493$896,050$1,252,098$1,839,378$2,443,256$3,176,472$5,565,160
Inner tubes, of rubber, of a kind used on bicycles$64,763$86,857$54,519$99,432$126,066$439,722$2,226,892
Inner tubes, of rubber (excl. of 4013.10 & 4013.20)$538,183$528,763$495,869$475,223$674,675$1,916,900$2,820,498
Total$869,439$1,511,670$1,802,486$2,414,033$3,243,997$5,533,094$10,612,550