Commodity2005200620072008200920102011
Bituminous mixts. based on nat. asphalt/nat. bitumen/petroleum bitumen/min. ...$69,108,139$118,008,597$105,228,064$48,152,812$54,790,414$49,121,742$52,129,825
Total$69,108,139$118,008,597$105,228,064$48,152,812$54,790,414$49,121,742$52,129,825