Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$1,066,791$1,261,639$1,685,064$3,599,249$1,619,536$1,692,807$233,806
Total$1,066,791$1,261,639$1,685,064$3,599,249$1,619,536$1,692,807$233,806