Commodity2005200620072008
Urea, whether or not in aqueous solution$427$5,523$5,835$8,824
Ammonium sulphate$5,691$1,510$6,764$4,606
Double salts & mixts. of ammonium sulphate & ammonium nitrate $5,808$93$111
Mixtures of ammonium nitrate with calcium carbonate/oth. inorganic non-fert ...   $1,131
Sodium nitrate$936$72$1,920$694
Double salts & mixts. of calcium nitrate & ammonium nitrate$99$127$54 
Calcium cyanamide   $39
Nitrogenous min./chem. fertilisers (excl. of 3102.10-3102.80), incl. mixts. ...$5,821$3,656$4,337$9,383
Total$12,974$16,696$19,003$24,788