Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$4,218,945$6,477,945$18,819,030$18,597,362$11,484,448$18,881,975$23,511,421
Parts of the boilers of 8403.10$1,902,451$1,546,970$4,253,571$4,196,868$3,357,436$3,036,693$3,377,915
Total$6,121,396$8,024,915$23,072,601$22,794,230$14,841,884$21,918,668$26,889,336