Year metric tons per capita 1990 0.48557023086601564 1991 0.4723212184525082 1992 0.5115651288529692 1993 0.5277030934676844 1994 0.5752941746710646 1995 0.6655103742891589 1996 0.6533200592314964 1997 0.6570029973411943 1998 0.7416933593319656 1999 0.7325818446235467 2000 0.7491972403847237 2001 0.8482330951155632 2002 0.8672193424757134 2003 0.9339504498894108 2004 1.0236195837504285 2005 0.9218713501933279 2006 1.0296054330424005 2007 1.0771835362451103 2008 1.0599032780092565 2009 0.9753057215986561 2010 0.9379792740044206 2011 1.0983352399720545 2012 1.135689627150459 2013 1.080835925312173 2014 1.0828513101557586 2015 1.133809707994132 2016 1.0987128147118246 2017 0.9740473563397011 2018 0.9222340789453529 2019 1.0238553147162182 2020 0.872911171700029