Year kt of CO2 equivalent 1990 4014.673694 1991 4080.02027 1992 4171.831847 1993 4237.335923 1994 4314.2425 1995 4200.818333 1996 4067.899167 1997 3832.4325 1998 3760.228333 1999 3622.994167 2000 3433.595 2001 3756.357388 2002 3818.122276 2003 3844.647164 2004 3857.119552 2005 3986.68194 2006 4064.845561 2007 4074.049182 2008 4256.485304 2009 4361.208925 2010 4443.450047 2011 4642.652976 2012 4718.033406 2013 4793.581336 2014 4732.659266 2015 4696.417195 2016 4792.513854 2017 4824.390513 2018 4956.814671 2019 4972.85383 2020 5047.340489