Commodity2005200620072008200920102011
Central heating boilers (excl. of 84.02)$58,357,131$58,113,580$66,270,058$71,655,416$80,787,766$95,691,884$121,872,369
Parts of the boilers of 8403.10$7,308,249$7,847,606$8,048,055$9,879,761$9,810,804$7,164,018$10,310,233
Total$65,665,380$65,961,186$74,318,113$81,535,177$90,598,570$102,855,902$132,182,602