|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Acyclic hydrocarbons. | | $650 | $6,452 | $12,849 | | $9,763 |
| Cyclic hydrocarbons. | | | | $1,104 | | |
| Halogenated derivatives of hydrocarbons. | | | $2,063 | $40 | $1,697 | |
| Acyclic alcohols and their derivatives | | | | $65 | $6,357 | $42,265 |
| Cyclic alcohols and their derivatives | | | | $100 | | |
| Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols | | | | $19 | | |
| Ketones and quinones | $7,321 | $9,447 | $10,070 | $25,996 | $31,363 | $49,901 |
| Amine-function compounds | | | | | $2,969 | $10,607 |
| Quaternary ammonium salts and hydroxides | | | | $1,534 | | |
| Nitrile-function compounds. | | | $1,129 | $11,610 | | |
| Organo-sulphur compounds. | | | | $35,099 | | |
| Heterocyclic compounds with nitrogen hetero-atom(s) only. | | | | | | $121 |
| Sugars, chemically pure, other than sucrose, lactose | $2,399 | | $308 | | | |
| Antibiotics. | | | $5,098 | | | |
| Total | $9,720 | $10,097 | $25,120 | $88,416 | $42,386 | $112,657 |
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