Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$17,206,659$37,746,113$41,593,425$68,561,640$31,099,934$40,241,519$54,293,396
Parts of the boilers of 8403.10$4,220,053$4,672,049$4,812,704$4,655,288$2,964,026$2,853,361$3,879,348
Total$21,426,712$42,418,162$46,406,129$73,216,928$34,063,960$43,094,880$58,172,744