Commodity200520062007200820092010
Central heating boilers (excl. of 84.02)$63,427,097$47,833,470$47,687,921$47,804,918$46,082,379$47,695,929
Parts of the boilers of 8403.10$8,864,775$8,617,999$10,866,459$15,944,296$15,584,417$17,549,798
Total$72,291,872$56,451,469$58,554,380$63,749,214$61,666,796$65,245,727