Commodity200520062007200820092011
Bogies & bissel-bogies other than driving bogies & bissel-bogies  $791 $14,687$40,708
Axles & wheels; parts of bogies, bissel-bogies, axles & wheels$276,778$828,682$624,209$657,550$597,954$376,181
Air brakes & parts thereof , for railway/tramway locomotives/rolling-stock$209,665$213,926$354,199$300,911$645,380$1,089,384
Brakes other than air brakes, & parts thereof , for railway/tramway locomot ...$127,500$110,569$155,394$264,198$37,889$6,968
Hooks & oth. coupling devices, buffers, & parts thereof , for railway/tramw ...$21,693  $43,641$31,675$23,083
Parts of locomotives, n.e.s. in 86.07$52,925$6,865$25,656$31,817$4,594 
Parts of railway/tramway rolling stock, n.e.s. in 86.07$51,336$95,131$163,104$246,421$46,429$76,719
Total$739,897$1,255,173$1,323,353$1,544,538$1,378,608$1,613,043