Year kt of CO2 equivalent 1990 24244.1425 1991 24443.72 1992 24544.6875 1993 24684.065 1994 24979.675 1995 25126.5475 1996 25757.1425 1997 26055.6875 1998 24406.91 1999 24142.7125 2000 24330.3675 2001 24828.28 2002 24627.55 2003 24593.22 2004 23598.35 2005 23746.79 2006 23756.8325 2007 23321.09 2008 23295.4575 2009 23635.675 2010 23803.695 2011 23411.4475 2012 23413.61 2013 23209.91 2014 22940.46 2015 22740.49955 2016 22404.29617 2017 22299.3703 2018 22262.07942 2019 22093.77855 2020 21990.13017