Commodity2005200620072008200920102011
Bituminous mixts. based on nat. asphalt/nat. bitumen/petroleum bitumen/min. ...$12,452,000$15,740,000$16,826,000$23,165,000$21,197,000$24,189,304$36,259,775
Total$12,452,000$15,740,000$16,826,000$23,165,000$21,197,000$24,189,304$36,259,775