Commodity2005200620072008200920102011
Slates & boards, with writing/drawing surfaces, whether or not framed$2,841,589$4,593,911$5,546,182$5,737,965$4,839,866$5,881,689$9,585,640
Total$2,841,589$4,593,911$5,546,182$5,737,965$4,839,866$5,881,689$9,585,640