Year metric tons per capita 1990 0.3086915726258529 1991 0.30108498664416555 1992 0.3220635138392133 1993 0.3056895516175035 1994 0.30963537233053545 1995 0.31985428397041427 1996 0.3310143594850094 1997 0.3551882171639541 1998 0.388424110670315 1999 0.4178586545388099 2000 0.4187530727399138 2001 0.44831836339345826 2002 0.4498204980871137 2003 0.4299581465491795 2004 0.5038186447295281 2005 0.5163268242546944 2006 0.4944693811905779 2007 0.5363343358524729 2008 0.5420819075057216 2009 0.5466325664334214 2010 0.5607447845076675 2011 0.5880297113673006 2012 0.5633837730569907 2013 0.5893833327718758 2014 0.6135870447523418 2015 0.6467945757997897 2016 0.6869063427118158 2017 0.646584895307648 2018 0.65339707602786 2019 0.7685749839335967 2020 0.649800561203009