Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$902,970$628,504$453,675$117,883$55,777$49,255$373,493
Natural sands other than silica & quartz, whether or not coloured, other th ...$683$3,900$6,441$38,588$17,617$893$68,612
Total$903,653$632,404$460,116$156,471$73,394$50,148$442,105