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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $4,054,970 | $2,780,367 | $3,328,720 | $3,352,773 | $2,660,531 | $2,949,241 | $4,492,653 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $360,072 | $742,957 | $1,607,912 | $1,264,908 | $1,352,887 | $1,153,304 | $1,565,127 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $4,248,113 | $4,816,061 | $5,339,114 | $5,733,020 | $6,746,411 | $7,480,986 | $7,141,418 |
| Total | $8,663,155 | $8,339,385 | $10,275,746 | $10,350,701 | $10,759,829 | $11,583,531 | $13,199,198 |
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