Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured $341$458$5,242$1,114$2,189$1,585
Natural sands other than silica & quartz, whether or not coloured, other th ...$2,000$27,716$13,056$4,157$17,218$5,947$6,375
Total$2,000$28,057$13,514$9,399$18,332$8,136$7,960