Year kt of CO2 equivalent 1990 157976.9157 1991 169422.5286 1992 181968.3799 1993 199796.8487 1994 214951.5606 1995 233471.9203 1996 255103.6648 1997 264809.5406 1998 243177.1855 1999 256308.6876 2000 257420.5913 2001 269362.4479 2002 281494.1642 2003 291807.1282 2004 309995.7177 2005 320716.4928 2006 325300.8654 2007 339245.0976 2008 343122.2668 2009 338798.1237 2010 361217.6687 2011 361290.8861 2012 383662.7283 2013 394292.9233 2014 388973.4431 2015 393386.9983 2016 406605.3573 2017 414733.0612 2018 418543.855 2019 432151.273 2020 433773.458