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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $59,466 | | $1,931 | $151,409 | $49,017 | $11,699 | $41,779,051 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $488,598 | $541,787 | $564,692 | $636,030 | $634,001 | $251,016 | $230,621 |
| Hydantoin & its derivs. | $915,152 | $904,007 | $1,294,438 | $1,185,736 | $1,001,788 | $1,095,433 | $728,344 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $762,973,518 | $656,656,922 | $497,421,800 | $122,553,923 | $19,590,862 | $44,202,705 | $100,715,498 |
| Pyridine & its salts | $617,145 | $1,201,026 | $1,343,642 | $3,084,145 | $1,490,228 | $772,151 | $799,754 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $229,050,108 | $149,581,900 | $154,837,558 | $228,275,517 | $186,237,453 | $217,525,504 | $339,796,160 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $6,272,283 | $6,121,728 | $7,228,868 | $26,409,049 | $11,987,931 | $43,385,212 | $24,347,066 |
| Melamine | $5,729,571 | $5,189,472 | $3,320,556 | $5,186,371 | $11,938,071 | $1,369,271 | $579,145 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $3,965,617 | $6,085,074 | $7,098,844 | $37,513,948 | $16,017,867 | $10,937,061 | $10,545,794 |
| 6-Hexanelactam (epsilon-caprolactam) | $1,081,591 | | | | | | $137,518 |
| Lactams (excl. of 2933.71 & 2933.72) | $556,962,252 | $267,020,107 | $412,395,722 | $147,879,155 | $181,724,403 | $407,942,017 | $745,906,017 |
| Total | $1,568,115,301 | $1,093,302,023 | $1,085,508,051 | $572,875,283 | $430,671,621 | $727,492,069 | $1,265,564,968 |
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