Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$34,690,869$30,664,304$24,291,829$22,558,211$17,203,603$22,455,383$13,775,199
Parts of the boilers of 8403.10$16,107,598$15,156,082$15,630,933$15,739,323$13,299,095$19,779,025$15,910,638
Total$50,798,467$45,820,386$39,922,762$38,297,534$30,502,698$42,234,408$29,685,837