Year kt of CO2 equivalent 1990 56.505737 1991 57.728054 1992 58.677871 1993 59.707688 1994 60.702505 1995 61.622322 1996 63.722117 1997 66.054412 1998 68.246707 1999 70.469002 2000 72.453797 2001 73.160885 2002 74.612972 2003 75.807559 2004 76.824646 2005 77.906733 2006 78.955206 2007 80.371178 2008 81.372151 2009 82.403123 2010 83.616596 2011 84.655457 2012 85.769318 2013 87.01818 2014 88.192041 2015 89.328402 2016 90.399958 2017 91.461513 2018 92.548069 2019 93.604624 2020 94.696179