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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $199,134 | $502,148 | $1,286,995 | $852,926 | $994,344 | $725,097 | $759,129 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $7,614,943 | $8,543,980 | $11,611,853 | $26,104,220 | $17,957,281 | $25,315,183 | $42,145,364 |
| Hydantoin & its derivs. | $946,359 | $921,481 | $1,741,474 | $1,700,146 | $1,757,564 | $2,406,309 | $3,335,923 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $15,683,012 | $15,871,411 | $23,381,666 | $34,782,688 | $27,668,583 | $39,951,914 | $37,652,509 |
| Pyridine & its salts | $14,693,788 | $28,794,666 | $16,073,880 | $18,790,888 | $14,909,665 | $21,304,613 | $22,301,594 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $69,621,234 | $66,179,119 | $63,108,116 | $98,228,363 | $97,507,998 | $115,386,174 | $139,345,462 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $18,770,734 | $28,807,507 | $71,032,110 | $119,517,786 | $105,830,099 | $151,128,044 | $169,757,115 |
| Melamine | $4,003,791 | $7,760,670 | $11,930,828 | $20,047,931 | $23,025,556 | $28,055,944 | $43,663,895 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $15,132,501 | $20,855,049 | $23,667,496 | $48,677,697 | $30,042,975 | $31,203,613 | $33,254,288 |
| 6-Hexanelactam (epsilon-caprolactam) | $30,920,972 | $16,683,575 | $46,772,981 | $61,676,617 | $14,466,611 | $16,558,480 | $18,662,535 |
| Lactams (excl. of 2933.71 & 2933.72) | $5,900,440 | $6,464,989 | $11,667,069 | $6,351,768 | $8,792,471 | $11,102,289 | $15,686,901 |
| Total | $183,486,908 | $201,384,595 | $282,274,468 | $436,731,030 | $342,953,147 | $443,137,660 | $526,564,715 |
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