Year kt of CO2 equivalent 1990 20534.53432 1991 20114.0053 1992 17996.847 1993 17085.77033 1994 16242.51096 1995 15420.48339 1996 15164.04579 1997 14950.31842 1998 14884.43389 1999 14722.91923 2000 14330.50629 2001 14089.24107 2002 13886.18376 2003 13964.7766 2004 14389.84126 2005 14153.38035 2006 14550.10415 2007 14948.40187 2008 15772.96078 2009 15834.46177 2010 16298.92727 2011 15984.85273 2012 16251.87489 2013 16917.91167 2014 16990.73179 2015 17232.56776 2016 16810.77264 2017 17011.16583 2018 17027.96903 2019 17032.60472 2020 17079.26291