Commodity2005200620072008200920102011
Slates & boards, with writing/drawing surfaces, whether or not framed$1,708,023$2,774,165$4,022,443$5,068,433$3,833,415$7,387,492$9,520,454
Total$1,708,023$2,774,165$4,022,443$5,068,433$3,833,415$7,387,492$9,520,454