Commodity2005200620072008200920102011
Bituminous mixts. based on nat. asphalt/nat. bitumen/petroleum bitumen/min. ...$3,658,377$4,424,571$6,256,658$5,517,955$4,531,319$4,153,850$5,957,442
Total$3,658,377$4,424,571$6,256,658$5,517,955$4,531,319$4,153,850$5,957,442