Commodity2005200620072008200920102011
Coach screws of iron/steel$967,281$1,365,516$913,195$1,142,982$1,226,094$1,433,448$1,463,828
Wood screws other than coach screws, of iron/steel$16,451,942$15,730,735$22,069,569$19,531,983$18,356,964$32,504,965$25,629,047
Screw hooks & screw rings, of iron/steel$3,671,749$3,065,854$4,111,885$3,892,019$3,295,391$4,085,136$4,537,644
Self-tapping screws of iron/steel$42,353,962$41,037,154$52,543,866$49,902,791$37,892,394$56,644,895$65,384,691
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$597,504,462$628,274,870$630,854,568$604,096,457$458,254,251$611,575,842$679,043,800
Nuts of iron/steel$259,438,693$269,722,710$283,174,775$271,738,595$204,250,774$260,996,538$298,196,671
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$49,987,128$51,043,188$53,095,359$56,636,989$41,368,475$54,925,526$61,979,957
Spring washers & oth. lock washers, of iron/steel$7,132,437$7,593,364$8,882,585$9,483,565$7,739,171$9,517,257$12,449,533
Washers (excl. of 7318.21) of iron/steel$57,179,420$64,028,795$63,927,197$66,504,213$54,038,612$66,881,650$77,569,885
Rivets of iron/steel$19,054,251$21,242,321$25,406,641$22,268,208$16,396,557$22,248,364$22,029,912
Cotters & cotter-pins, of iron/steel$12,521,007$13,519,932$14,603,399$19,373,321$11,952,787$15,303,612$20,867,976
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$93,544,880$109,877,406$127,321,380$122,719,611$90,132,263$108,880,576$132,663,725
Total$1,159,807,212$1,226,501,845$1,286,904,419$1,247,290,734$944,903,733$1,244,997,809$1,401,816,669