Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$37,140$83,314$197,108$223,904$157,860$775,788$663,449
Natural sands other than silica & quartz, whether or not coloured, other th ...$56,382$117,443$49,514$115,653$74,318$64,778$265,289
Total$93,522$200,757$246,622$339,557$232,178$840,566$928,738