Year metric tons per capita 1990 0.4749009395796408 1991 0.45853678715587864 1992 0.4886095408033093 1993 0.500301849873452 1994 0.47395493338166444 1995 0.5015731736176958 1996 0.45916459965035233 1997 0.4968657623849557 1998 0.5666839348414207 1999 0.5467276273299869 2000 0.5032121212937969 2001 0.4918418268037466 2002 0.5063810859821398 2003 0.513881879091431 2004 0.48364254441434407 2005 0.5166929245686102 2006 0.5107757628281345 2007 0.5434606724950185 2008 0.5372154502393287 2009 0.5165891135641542 2010 0.5647308145461429 2011 0.5069325616372993 2012 0.5161915001304626 2013 0.5750329559054616 2014 0.40660730552519647 2015 0.44377242837082703 2016 0.38648008670319695 2017 0.38779773377695187 2018 0.39245250180193303 2019 0.39876386646480333 2020 0.39232917123787786