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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $528,575 | $378,659 | $601,113 | $775,359 | $845,486 | $1,014,150 | $483,161 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $309,819 | $152,680 | $324,950 | $2,029,382 | $1,211,204 | $2,286,952 | $1,332,044 |
| Hydantoin & its derivs. | $159,924 | $212,405 | $132,976 | $120,581 | $258,865 | $232,358 | $483,031 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,019,445 | $1,303,418 | $2,384,112 | $2,325,104 | $1,946,691 | $2,052,467 | $3,158,731 |
| Pyridine & its salts | $121,003 | $90,451 | $15,070 | $17,943 | $12,730 | $11,618 | $18,426 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $2,502,127 | $2,642,038 | $4,024,349 | $5,414,733 | $4,867,641 | $8,419,604 | $12,370,314 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $2,419,089 | $3,010,707 | $3,271,643 | $4,106,275 | $3,220,697 | $4,309,232 | $5,506,446 |
| Melamine | $1,330,363 | $1,940,849 | $2,359,013 | $3,141,723 | $2,042,739 | $3,640,119 | $4,435,100 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $2,817,324 | $4,055,459 | $4,848,592 | $5,094,900 | $4,585,272 | $6,206,097 | $5,360,318 |
| 6-Hexanelactam (epsilon-caprolactam) | $3,586,251 | $21,247 | $12,782 | $22,575 | $30,240 | $19,402 | $19,559 |
| Lactams (excl. of 2933.71 & 2933.72) | $505,286 | $346,858 | $211,576 | $164,653 | $498,761 | $1,165,223 | $1,159,448 |
| Total | $15,299,206 | $14,154,771 | $18,186,176 | $23,213,228 | $19,520,326 | $29,357,222 | $34,326,578 |
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