* Official 2012 data as reported to the United Nations Framework Convention on Climate Change (UNFCCC)
** Include some Eurostat estimates
*** 2013 estimate based on partly provisional data
As regards the reliability of the early estimates, comparison of 2012 estimates for the EU27 with final figures showed that CO2 emissions fell by 1.6%, compared with an estimate of 2.1%. However estimates differed for some Member States by larger amounts.