Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$37,185,799$47,042,662$53,211,267$58,548,512$30,825,267$25,558,632$36,500,333
Parts of the boilers of 8403.10$6,725,386$7,809,966$9,409,398$10,210,481$8,307,289$7,449,858$8,557,259
Total$43,911,185$54,852,628$62,620,665$68,758,993$39,132,556$33,008,490$45,057,592