Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$63,790,013$69,096,889$73,450,662$90,478,878$92,140,756$95,164,507$109,509,655
Parts of the boilers of 8403.10$18,915,778$23,451,361$25,459,591$27,798,820$30,213,831$28,716,826$29,878,105
Total$82,705,791$92,548,250$98,910,253$118,277,698$122,354,587$123,881,333$139,387,760