Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured $540,153$1,098,170$1,165,936$1,008,767$1,511,619$1,333,176
Natural sands other than silica & quartz, whether or not coloured, other th ...$27,680$16,591$99,921$107$279,286$157,333$83,698
Total$27,680$556,744$1,198,091$1,166,043$1,288,053$1,668,952$1,416,874