Commodity2005200620072008200920102011
Bituminous mixts. based on nat. asphalt/nat. bitumen/petroleum bitumen/min. ...$4,003,302$1,742,998$2,557,325$3,313,263$3,647,070$2,189,112$1,517,652
Total$4,003,302$1,742,998$2,557,325$3,313,263$3,647,070$2,189,112$1,517,652