Year metric tons per capita 1990 0.504165260873978 1991 0.45556864249666645 1992 0.47886225052166925 1993 0.4418645612369145 1994 0.4379380313951028 1995 0.49029855462805855 1996 0.5282572498794558 1997 0.5343036405095505 1998 0.563589526911911 1999 0.6574338284844995 2000 0.6673198749157121 2001 0.7693826482215136 2002 0.828348100610484 2003 0.8729631380848135 2004 0.854941500216818 2005 0.9161429872957447 2006 1.03972065650532 2007 0.9113729437147958 2008 0.9321309882116879 2009 0.990229579666355 2010 1.0373897761371573 2011 1.07445959497347 2012 0.9845204021998112 2013 0.929732933288884 2014 0.9090309773731129 2015 0.9053436828779751 2016 0.9722525671837448 2017 1.0349515181767013 2018 1.0411378111421181 2019 1.069615098001837 2020 1.0651517231909928