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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Ureines & their derivs.; salts thereof | $47,794 | $494,372 | | $18,575 | $150,384 | $625,385 | $372,491 |
| Cyclic amides (incl. cyclic carbamates) & their derivs. (excl. of 2924.21-2 ... | $2,064,020 | $3,893,764 | $4,513,928 | $1,939,855 | $2,433,016 | $2,128,851 | $2,981,517 |
| Total | $2,111,814 | $4,388,136 | $4,513,928 | $1,958,430 | $2,583,400 | $2,754,236 | $3,354,008 |
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