Commodity2005200620072008
Urea, whether or not in aqueous solution $23$435$526
Ammonium sulphate   $1,295
Double salts & mixts. of ammonium sulphate & ammonium nitrate$7$1,283$5,201$617
Ammonium nitrate, whether or not in aqueous solution $42  
Sodium nitrate  $2,507 
Double salts & mixts. of calcium nitrate & ammonium nitrate  $434 
Mixtures of urea & ammonium nitrate in aqueous/ammoniacal solution   $75
Nitrogenous min./chem. fertilisers (excl. of 3102.10-3102.80), incl. mixts. ...$888$9,699$3,497$5,697
Total$895$11,047$12,074$8,210