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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $10,220,279 | $12,899,980 | $13,834,148 | $13,809,910 | $11,082,818 | $16,420,819 | $18,646,393 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $13,697,807 | $13,393,500 | $14,797,163 | $18,971,419 | $12,036,959 | $10,400,322 | $19,150,688 |
| Sulphonated/nitrated/nitrosated derivs. of hydrocarbons, whether or not hal ... | $7,260,530 | $8,359,433 | $7,574,140 | $13,181,582 | $6,962,849 | $9,772,292 | $11,493,392 |
| Total | $31,178,616 | $34,652,913 | $36,205,451 | $45,962,911 | $30,082,626 | $36,593,433 | $49,290,473 |
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