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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Coach screws of iron/steel | $1,707 | $43,271 | $95,445 | $43,978 | $53,971 | $59,249 | $24,644 |
| Wood screws other than coach screws, of iron/steel | $291,835 | $233,134 | $226,572 | $306,923 | $293,281 | $131,612 | $253,942 |
| Screw hooks & screw rings, of iron/steel | $101,818 | $58,189 | $78,521 | $96,264 | $98,640 | $97,084 | $94,971 |
| Self-tapping screws of iron/steel | $193,450 | $241,877 | $324,064 | $346,259 | $226,507 | $329,693 | $577,007 |
| Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ... | $5,565,662 | $5,830,668 | $7,033,574 | $7,477,128 | $6,748,711 | $8,569,966 | $12,686,070 |
| Nuts of iron/steel | $1,185,492 | $1,400,790 | $1,448,999 | $1,867,101 | $1,519,825 | $1,767,609 | $2,089,558 |
| Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16) | $1,334,589 | $758,321 | $1,108,118 | $1,312,363 | $1,333,396 | $1,420,782 | $1,724,167 |
| Spring washers & oth. lock washers, of iron/steel | $133,415 | $188,565 | $220,928 | $244,115 | $173,143 | $173,054 | $183,977 |
| Washers (excl. of 7318.21) of iron/steel | $570,313 | $610,424 | $776,558 | $872,179 | $865,817 | $771,364 | $1,210,790 |
| Rivets of iron/steel | $200,575 | $234,167 | $255,318 | $404,383 | $252,439 | $396,651 | $396,252 |
| Cotters & cotter-pins, of iron/steel | $286,680 | $266,712 | $368,950 | $372,705 | $309,713 | $422,631 | $462,433 |
| Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ... | $1,416,300 | $1,159,602 | $1,746,277 | $2,449,737 | $2,336,442 | $1,211,751 | $1,828,861 |
| Total | $11,281,836 | $11,025,720 | $13,683,324 | $15,793,135 | $14,211,885 | $15,351,446 | $21,532,672 |
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