Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$62,131$113,961$446,883$141,017$193,389$239,534$170,096
Natural sands other than silica & quartz, whether or not coloured, other th ...$12,773$15,535$21,772$125,787$188,034$166,325$231,998
Total$74,904$129,496$468,655$266,804$381,423$405,859$402,094