Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$101,411$35,047$395,111$90,332$86,350$80,984$67,649
Natural sands other than silica & quartz, whether or not coloured, other th ...$72,765$70,239$21,385$250,768$80,707$64,395$176,110
Total$174,176$105,286$416,496$341,100$167,057$145,379$243,759