Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$542,532$749,064$770,907$935,406$639,117$475,084$542,241
Natural sands other than silica & quartz, whether or not coloured, other th ...$493,839$503,848$540,548$715,791$627,205$435,528$479,637
Total$1,036,371$1,252,912$1,311,455$1,651,197$1,266,322$910,612$1,021,878