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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Phenazone (antipyrin) & its derivs. | $13,668 | $13,170 | $3,735 | $2,184 | $16,386 | $17,279 | $11,825,724 |
| Heterocyclic comps. cont. an unfused pyrazole ring (whether or not hydrogen ... | $465,731 | $3,103,068 | $275,363 | $1,258,710 | $877,067 | $258,171 | $669,697 |
| Hydantoin & its derivs. | $10,327,422 | $8,529,258 | $3,978,750 | $11,182,463 | $3,540,203 | $4,037,952 | $3,325,014 |
| Heterocyclic comps. cont. an unfused imidazole ring (whether or not hydroge ... | $1,698,234 | $5,410,507 | $3,241,223 | $3,662,324 | $2,542,263 | $11,772,992 | $41,095,836 |
| Pyridine & its salts | $1,326,298 | $2,442,944 | $1,970,413 | $3,723,931 | $2,139,568 | $1,488,051 | $1,471,443 |
| Heterocyclic comps. cont. an unfused pyridine ring (whether or not hydrogen ... | $22,779,649 | $10,100,878 | $56,655,436 | $29,424,491 | $35,798,621 | $37,658,161 | $61,113,193 |
| Heterocyclic comps. cont. a pyrimidine ring (whether or not hydrogenated)/p ... | $35,193,795 | $12,688,325 | $4,949,180 | $8,366,130 | $9,099,349 | $35,271,153 | $29,450,958 |
| Melamine | $7,028,476 | $5,929,912 | $2,482,960 | $6,013,929 | $6,276,276 | $2,097,955 | $1,273,306 |
| Heterocyclic comps. cont. an unfused triazine ring (whether or not hydrogen ... | $7,905,301 | $8,193,398 | $9,828,864 | $12,239,868 | $12,723,553 | $14,562,508 | $16,293,872 |
| 6-Hexanelactam (epsilon-caprolactam) | | | | | | | $112,634 |
| Lactams (excl. of 2933.71 & 2933.72) | $62,321,987 | $12,790,660 | $11,370,085 | $25,887,177 | $38,338,008 | $31,386,455 | $5,565,363 |
| Total | $149,060,561 | $69,202,120 | $94,756,009 | $101,761,207 | $111,351,294 | $138,550,677 | $172,197,040 |
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