Year CO2 Emissions from Gaseous Fuel Consumption (kt)
2003 6,747
2004 7,980
2005 9,213
2006 10,446
2007 11,679
2008 12,912
2009 14,145
2010 15,378
2011 16,611
2012 17,844
2013 19,077
2014 20,310
2015 21,543
2016 91,260.6
2017 22,776
2018 24,009
2019 25,242
2020 23,649
2021 25,072
2022 26,505
2023 27,938