|
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Sulphur, sublimed or precipitated | | | | | | | $312 |
| Hydrogen, rare gases and other non-metals. | $8,106 | $1,490 | $6,946 | $3,905 | $3,535 | $18,652 | $17,049 |
| Alkali or alkaline-earth metals; | | | | | | | $8,815 |
| Diphosphorus pentaoxide; phosphoric acid; | | $454 | | | | | |
| Other inorganic acids and oxygen compounds | $208 | | | $6 | $145 | $35 | $8,749 |
| Sodium hydroxide (caustic soda); | | | $5 | | | | |
| Hypochlorites; commercial calcium hypochlorite | | | $148 | | | | |
| Sulphates; alums; peroxosulphates (persulphates). | $208 | | | | | | |
| Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates | | | | $2 | $5,940 | | |
| Radioactive chemical elements and radioactive isotopes | $520 | | | $145 | | | |
| Carbides, whether or not chemically defined. | | | | | | $14,762 | |
| Other inorganic compounds | | | | | $566 | $497 | $1 |
| Total | $9,042 | $1,944 | $7,099 | $4,058 | $10,186 | $33,946 | $34,926 |
|
|
