"Figure 14: Carbon dioxide emissions make up the bulk of greenhouse gas emissions for the UK","" "Breakdown of greenhouse gas emissions, UK, 1990 to 2017","" "","" "Notes","" "Unit","%" "","" "Year","Carbon dioxide (CO2)","Methane (CH4)","Nitrous oxide (N2O)","Hydrofluorocarbons (HFC)","Perfluorocarbons (PFC)","Sulphur hexafluoride (SF6)","Nitrogen trifluoride (NF3)" "1990","76.252","15.955","5.719","1.724","0.198","0.153","0.000" "1991","76.375","15.856","5.675","1.774","0.164","0.156","0.000" "1992","76.447","16.198","5.216","1.890","0.084","0.165","0.000" "1993","76.581","16.347","4.807","2.044","0.075","0.147","0.000" "1994","76.992","15.646","4.934","2.199","0.076","0.153","0.000" "1995","76.621","15.934","4.810","2.401","0.075","0.159","0.000" "1996","77.360","15.295","4.655","2.459","0.072","0.159","0.000" "1997","76.603","15.457","4.828","2.889","0.063","0.160","0.000" "1998","77.465","14.985","4.818","2.504","0.062","0.166","0.000" "1999","79.639","14.853","3.767","1.485","0.062","0.194","0.000" "2000","80.618","14.123","3.672","1.274","0.077","0.235","0.000" "2001","81.547","13.364","3.451","1.390","0.062","0.186","0.000" "2002","81.624","13.362","3.276","1.488","0.054","0.196","0.000" "2003","82.402","12.503","3.225","1.653","0.046","0.171","0.000" "2004","83.070","11.902","3.300","1.528","0.056","0.144","0.000" "2005","83.563","11.351","3.206","1.694","0.050","0.137","0.000" "2006","83.903","10.977","3.105","1.847","0.051","0.116","0.000" "2007","84.143","10.614","3.158","1.934","0.039","0.112","0.000" "2008","84.595","10.086","3.141","2.048","0.037","0.094","0.000" "2009","84.075","10.318","3.168","2.321","0.029","0.088","0.000" "2010","84.956","9.382","3.135","2.385","0.042","0.100","0.000" "2011","84.711","9.600","3.221","2.308","0.065","0.094","0.000" "2012","85.225","9.152","3.148","2.347","0.039","0.090","0.000" "2013","85.647","8.613","3.167","2.446","0.050","0.077","0.000" "2014","85.121","8.695","3.444","2.617","0.046","0.078","0.000" "2015","85.155","8.603","3.451","2.660","0.055","0.076","0.000" "2016","84.703","8.948","3.568","2.631","0.061","0.088","0.000" "2017","84.237","9.178","3.688","2.733","0.065","0.098","0.000"