Commodity2005200620072008200920102011
Inner tubes, of rubber, of a kind used on motor cars (incl. station wagons ...$6,560,112$7,128,525$8,595,743$10,229,066$9,431,154$11,205,280$9,760,176
Inner tubes, of rubber, of a kind used on bicycles$1,082,594$1,341,856$1,624,575$2,124,167$1,841,366$1,792,419$1,875,180
Inner tubes, of rubber (excl. of 4013.10 & 4013.20)$1,265,319$2,099,180$2,677,432$2,847,463$3,060,898$2,454,925$3,323,856
Total$8,908,025$10,569,561$12,897,750$15,200,696$14,333,418$15,452,624$14,959,212