Commodity2005200620072008200920102011
Multiple-walled insulating units of glass$1,967,745$3,846,973$2,210,942$4,267,147$5,442,703$6,765,352$12,473,204
Total$1,967,745$3,846,973$2,210,942$4,267,147$5,442,703$6,765,352$12,473,204