$0 $50,000,000 $100,000,000 $150,000,000 $200,000,000
| Sub-Chapter | 2005 | 2006 | 2007 | 2008 |
| Alkali or alkaline-earth metals; | $1,318 | | | |
| Artificial corundum, whether or not chemically defined; | $10,226,713 | | $68,284,758 | $166,904,783 |
| Titanium oxides. | | $32,022 | | |
| Carbonates; peroxocarbonates (percarbonates) | | | | $867 |
| Compounds, inorganic or organic, of rare-earth metals | $1,427 | | | |
| Total | $10,229,458 | $32,022 | $68,284,758 | $166,905,650 |
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