Commodity2005200620072008200920102011
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), in ...$6,959,801$7,603,124$7,129,303$7,946,409$6,859,642$5,990,738$5,581,596
Articles of asphalt/sim. mat. (e.g., petroleum bitumen/coal tar pitch), oth ...$2,743,304$2,819,914$2,557,293$2,331,578$1,790,244$1,682,742$1,804,083
Total$9,703,105$10,423,038$9,686,596$10,277,987$8,649,886$7,673,480$7,385,679