Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$29,774,427$33,159,292$33,970,983$40,826,113$30,854,634$24,007,710$23,708,279
Parts of the boilers of 8403.10$2,362,884$3,207,632$3,807,181$4,683,783$4,197,094$2,944,486$3,614,132
Total$32,137,311$36,366,924$37,778,164$45,509,896$35,051,728$26,952,196$27,322,411