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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Ureines & their derivs.; salts thereof | | | $2,396 | $49,452 | $35,274 | | $140 |
| Cyclic amides (incl. cyclic carbamates) & their derivs. (excl. of 2924.21-2 ... | $636,108 | $870,767 | $796,534 | $1,104,711 | $513,979 | $174,059 | $567,091 |
| Total | $636,108 | $870,767 | $798,930 | $1,154,163 | $549,253 | $174,059 | $567,231 |
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