Commodity20062007
Urea, whether or not in aqueous solution$730$2,707
Ammonium sulphate $804
Double salts & mixts. of ammonium sulphate & ammonium nitrate$432 
Ammonium nitrate, whether or not in aqueous solution $309
Double salts & mixts. of calcium nitrate & ammonium nitrate $476
Mixtures of urea & ammonium nitrate in aqueous/ammoniacal solution$62 
Nitrogenous min./chem. fertilisers (excl. of 3102.10-3102.80), incl. mixts. ...$598$544
Total$1,822$4,840