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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $230,639 | $195,666 | $186,238 | $262,117 | $293,315 | $355,501 | $1,057,553 |
| Nitrates of potassium | | $128,307 | $265,589 | $78,287 | $197,764 | $105,590 | $482,473 |
| Nitrates other than of potassium | $80,268 | $135,372 | $519,638 | $772,541 | $530,257 | $2,484,042 | $1,534,313 |
| Total | $310,907 | $459,345 | $971,465 | $1,112,945 | $1,021,336 | $2,945,133 | $3,074,339 |
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