Commodity2005200620072008200920102011
Silica sands & quartz sands, whether or not coloured$73,370$533,243$442,207$1,111,692$147,877$111,615$163,944
Natural sands other than silica & quartz, whether or not coloured, other th ...$242,355$278,559$417,851$671,532$106,639$37,471$64,505
Total$315,725$811,802$860,058$1,783,224$254,516$149,086$228,449