Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$37,757,008$50,252,034$46,978,651$56,648,866$46,133,777$44,429,249$55,144,851
Parts of the boilers of 8403.10$34,589,441$45,349,084$59,603,026$96,664,436$68,284,584$65,908,671$63,945,842
Total$72,346,449$95,601,118$106,581,677$153,313,302$114,418,361$110,337,920$119,090,693