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 2021(A) 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 6.23 5.89 6.90 7.35 7.50 7.22 7.47 7.20 7.11 7.66 7.81 7.84 8.18 9.12 Chained volume indices (Base 2015=100) 83.4 78.9 92.4 98.4 100.4 96.7 100.0 96.4 95.2 102.5 104.5 104.9 109.4 122.0 Interannual variation rate 5.8 -14.6 -6.2 -2.0 3.8 -3.3 3.8 1.2 -7.1 -2.0 -0.4 -4.1 -10.3 .. Indicator Greenhouse gas (GHG) emissions of resident units per GDP Value: See units 0.26 0.26 0.27 0.29 0.31 0.30 0.32 0.32 0.32 0.34 0.34 0.34 0.35 0.37 Chained volume indices (Base 2015=100) 82.1 82.0 84.7 91.3 94.9 93.9 100.0 100.2 100.6 107.2 106.1 105.2 109.4 116.4 Interannual variation rate 0.2 -3.2 -7.3 -3.8 1.0 -6.1 -0.2 -0.4 -6.1 1.1 0.8 -3.9 -6.0 .. Notes: 1) (A)= advance data Source: National Statistics Institute