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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Roller chain of iron/steel | $92,094 | $11,018 | $612,953 | $384,221 | $255,455 | $289,306 | $238,044 |
| Articulated link chain other than roller chain, of iron/steel | $346,906 | $221,068 | $167,018 | $289,023 | $246,161 | $211,111 | $359,090 |
| Parts of articulated link chain of iron/steel | $916 | $16 | $10,847 | $5,509 | $8,265 | $1,296 | $13,789 |
| Skid chain of iron/steel | $523,068 | $137,133 | $47,994 | $70,546 | $76,832 | $64,525 | $134,849 |
| Stud-link chain of iron/steel | $144,223 | | | $364,328 | $311,498 | | $541 |
| Welded link chain of iron/steel | $700,448 | $946,867 | $957,418 | $2,003,221 | $1,244,103 | $644,855 | $1,000,254 |
| Chain, of iron/steel, n.e.s. in 73.15 | $213,138 | $426,308 | $149,533 | $349,171 | $232,568 | $168,365 | $191,589 |
| Parts of chains (excl. articulated link chain), of iron/steel | $43,793 | $3,418,155 | $1,402,984 | $828,874 | $55,906 | $11,211 | $15,639 |
| Total | $2,064,586 | $5,160,565 | $3,348,747 | $4,294,893 | $2,430,788 | $1,390,669 | $1,953,795 |
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