Year metric tons per capita 1990 0.22315618596364328 1991 0.22882772270769788 1992 0.2977850608390375 1993 0.28561713817271117 1994 0.320168885367236 1995 0.3199767273649088 1996 0.4560129493203604 1997 0.45208110976332044 1998 0.463794713998827 1999 0.5086283317490975 2000 0.582056032020245 2001 0.5733531885768045 2002 0.5957498066398067 2003 0.6430184042214806 2004 0.6602316798433037 2005 0.7108109814308992 2006 0.6242807880102499 2007 0.6769178513202204 2008 0.6315155994808742 2009 0.6000934359648005 2010 0.6324486029672995 2011 0.7387531092784797 2012 0.8298176722083164 2013 0.6837292650927825 2014 0.8219748744047458 2015 0.9017750029444577 2016 1.0813099571939857 2017 1.0759613709385951 2018 1.0009367789570836 2019 1.0745264413154154 2020 0.9966832428486702