Commodity2005200620072008200920102011
Coach screws of iron/steel$352,644$297,860$192,898$180,086$342,103$780,017$135,657
Wood screws other than coach screws, of iron/steel$9,470$13,046$12,932$44,822$13,615$11,659$27,658
Screw hooks & screw rings, of iron/steel$43,186$51,111$56,661$106,562$77,611$40,346$80,697
Self-tapping screws of iron/steel$36,350$49,225$50,431$135,320$73,879$123,995$105,784
Screws & bolts (excl. of 7318.11-7318.14), whether or not with their nuts/w ...$4,859,747$4,802,440$6,026,504$7,449,232$6,545,742$9,985,242$11,009,285
Nuts of iron/steel$1,093,118$1,116,089$1,707,297$2,373,674$1,673,783$2,208,182$2,125,260
Threaded arts. of iron/steel (excl. of 73.07, 7318.11-7318.16)$415,846$669,094$973,188$1,897,696$944,070$732,489$983,974
Spring washers & oth. lock washers, of iron/steel$339,360$344,951$353,517$507,228$302,587$404,021$552,784
Washers (excl. of 7318.21) of iron/steel$492,872$527,249$908,359$1,441,106$1,039,467$1,714,066$1,975,029
Rivets of iron/steel$120,276$122,144$234,725$362,334$109,850$331,307$394,891
Cotters & cotter-pins, of iron/steel$139,145$171,091$396,004$315,292$212,290$265,633$245,610
Non-threaded arts. sim. to rivets, cotters and the like, of iron/steel (exc ...$299,244$387,312$523,972$844,855$733,532$1,036,032$1,082,395
Total$8,201,258$8,551,612$11,436,488$15,658,207$12,068,529$17,632,989$18,719,024