Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$32,835$28,752$254,526$106,098$134,650$194,763$215,729
Natural sands other than silica & quartz, whether or not coloured, other th ...$64,216$88,800$81,862$162,850$101,729$573,167$136,523
Total$97,051$117,552$336,388$268,948$236,379$767,930$352,252