Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$19,356,902$31,152,265$24,159,344$27,515,495$23,082,743$24,177,761$29,749,550
Parts of the boilers of 8403.10$4,563,288$6,951,573$7,220,336$6,556,506$4,660,727$6,827,534$8,215,268
Total$23,920,190$38,103,838$31,379,680$34,072,001$27,743,470$31,005,295$37,964,818