Commodity200620072008200920102011
Silica sands & quartz sands, whether or not coloured$449,227$367,657$604,753$304,768$182,872$330,123
Natural sands other than silica & quartz, whether or not coloured, other th ...$101,823$57,556$570,532$28,705$92,514$44,324
Total$551,050$425,213$1,175,285$333,473$275,386$374,447