Year metric tons per capita 1990 0.44970802291133544 1991 0.4210401064443705 1992 0.4829487058170527 1993 0.5055402709000211 1994 0.5047617131434835 1995 0.5100159620481639 1996 0.5356344012338381 1997 0.5652460972903948 1998 0.4845712465085568 1999 0.4418695258492661 2000 0.47395835867568775 2001 0.48949960497746375 2002 0.45027949201592093 2003 0.4398099572648784 2004 0.44793422042145825 2005 0.43768582279507123 2006 0.4169960306586622 2007 0.39454897181214665 2008 0.4193678331262922 2009 0.4166527279116313 2010 0.45561411075325664 2011 0.46576744400674813 2012 0.47703830666077257 2013 0.5026829710914115 2014 0.5038990856914928 2015 0.49432246437077193 2016 0.5017188763274587 2017 0.50260102145822 2018 0.511820016758186 2019 0.5289415802147579 2020 0.47702461465477386