Year kt of CO2 equivalent 1990 16874.58611 1991 18613.86489 1992 19205.34138 1993 20345.71466 1994 24633.48584 1995 25773.90963 1996 26417.62345 1997 28111.52037 1998 29334.78808 1999 31957.5173 2000 34697.45972 2001 35964.23018 2002 36037.42863 2003 39649.19609 2004 40194.76164 2005 42517.6512 2006 43963.31747 2007 44928.13034 2008 44827.13131 2009 47659.31828 2010 48104.19315 2011 44130.11609 2012 40548.46273 2013 48946.15557 2014 47636.41181 2015 27895.14175 2016 22624.69053 2017 23058.36661 2018 25020.13788 2019 25926.56546 2020 24391.15073