Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$536,460$461,441$565,045$817,436$325,398$555,244$799,403
Natural sands other than silica & quartz, whether or not coloured, other th ...$364,744$36,828$232,754$636,665$73,259$252,139$413,558
Total$901,204$498,269$797,799$1,454,101$398,657$807,383$1,212,961