Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$40,771,006$55,052,994$70,929,726$81,955,353$69,867,814$67,519,092$84,513,544
Parts of the boilers of 8403.10$15,932,007$24,927,793$20,396,025$27,395,714$22,324,280$19,729,121$23,601,932
Total$56,703,013$79,980,787$91,325,751$109,351,067$92,192,094$87,248,213$108,115,476