Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$26,593,311$31,420,923$28,582,277$22,633,280$21,701,519$28,085,488$30,585,481
Parts of the boilers of 8403.10$4,421,679$4,592,417$4,984,044$6,351,410$4,838,289$6,526,673$11,970,216
Total$31,014,990$36,013,340$33,566,321$28,984,690$26,539,808$34,612,161$42,555,697