Commodity2005200620072008200920102011
Building blocks & bricks, of cement/concrete/art. stone, whether or not rei ...  $109,670 $1,946  
Prefabricated structural components for building/civil engineering, of ceme ...$957,145$1,103,965$3,824,661$2,117,643$1,661,845$146,608$253,139
Articles of cement/concrete/art. stone, whether or not reinf. (excl. of 681 ...  $185 $12,355$36,617 
Total$957,145$1,103,965$3,934,516$2,117,643$1,676,146$183,225$253,139