Environmental Accounts: Air Emission Accounts Emissions to the atmosphere Indicators of Greenhouse Gas emissions by GDP and per capita Units: PER CAPITA=Tons of CO2 equivalent/ hab, GDP=Kg CO2 equivalent/ Euros 2022(A) 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 Indicator Greenhouse gas (GHG) emissions of resident units per capita Value: See units 6.37 6.23 5.85 6.83 7.28 7.43 7.15 7.41 7.13 7.06 7.60 7.76 7.78 8.13 9.06 Chained volume indices (Base 2015=100) 86.0 84.2 79.0 92.3 98.3 100.4 96.6 100.0 96.3 95.3 102.7 104.7 105.0 109.8 122.3 Interannual variation rate 2.1 6.5 -14.3 -6.1 -2.1 3.9 -3.4 3.8 1.1 -7.2 -2.0 -0.3 -4.3 -10.3 .. Indicator Greenhouse gas (GHG) emissions of resident units per GDP Value: See units 0.26 0.26 0.26 0.27 0.29 0.30 0.30 0.32 0.32 0.32 0.34 0.34 0.34 0.35 0.37 Chained volume indices (Base 2015=100) 80.0 82.1 82.0 84.6 91.2 94.8 93.8 100.0 100.1 100.7 107.4 106.2 105.3 109.7 116.7 Interannual variation rate -2.5 0.1 -3.1 -7.2 -3.9 1.1 -6.2 -0.1 -0.6 -6.2 1.1 0.9 -4.1 -6.0 .. Notes: 1) (A)= advance data Source: National Statistics Institute