|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Silica sands & quartz sands, whether or not coloured | $20,181 | $38,420 | $40,611 | $69,038 |
| Natural sands other than silica & quartz, whether or not coloured, other th ... | $13,169 | $33,106 | $61,756 | $138,317 |
| Total | $33,350 | $71,526 | $102,367 | $207,355 |
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