Commodity200520062007200820092010
Urea, whether or not in aqueous solution$153,625,986$284,672,911$297,911,752$413,003,575$492,650,207$711,194,175
Double salts & mixts. of ammonium sulphate & ammonium nitrate    $1,401,821 
Total$153,625,986$284,672,911$297,911,752$413,003,575$494,052,028$711,194,175