Commodity2005200620072008200920102011
Anhydrous ammonia$63$1,445$18$757 $8$1,039
Ammonia in aqueous solution$16,781$16,599$22,248$19,347$18,493$16,814$15,736
Total$16,844$18,044$22,266$20,104$18,493$16,822$16,775