Commodity2006200720082009
Urea, whether or not in aqueous solution$249,813,618$290,196,815$479,125,420$183,948,211
Ammonium sulphate   $10,780,605
Double salts & mixts. of ammonium sulphate & ammonium nitrate$244,098 $373 
Total$250,057,716$290,196,815$479,125,793$194,728,816