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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Ureines & their derivs.; salts thereof | | | | | | $22,046 | $29,572 |
| Cyclic amides (incl. cyclic carbamates) & their derivs. (excl. of 2924.21-2 ... | $32,306 | $758 | $17,611 | $10,851 | $12,190 | $1,356 | |
| Total | $32,306 | $758 | $17,611 | $10,851 | $12,190 | $23,402 | $29,572 |
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