Commodity20052006200720082011
Fittings for loose-leaf binders/files, of base metal $2,200  $6,964
Staples in strips (e.g., for offices, upholstery, packaging), of base metal ...$219$1,784$100  
Fittings for office arts. (e.g., letter clips, letter corners, paper clips, ... $1,443$771$5,311 
Total$219$5,427$871$5,311$6,964