Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$148,659$43,342$405,826$317,120$271,825$220,644$210,972
Natural sands other than silica & quartz, whether or not coloured, other th ...$61,295$72,527$92,669$122,437$100,679$108,349$95,627
Total$209,954$115,869$498,495$439,557$372,504$328,993$306,599