Year metric tons per capita 1990 0.08833612721691654 1991 0.04672425821106449 1992 0.03867286655520975 1993 0.04790676014892457 1994 0.05319499898643729 1995 0.04876750432953854 1996 0.05148246744935352 1997 0.05064387962410946 1998 0.04958522752676274 1999 0.0444252107226766 2000 0.03362924427204142 2001 0.03124215610712166 2002 0.031942196045528254 2003 0.037563687563267494 2004 0.035385907520827056 2005 0.03905730066926144 2006 0.03910134061005149 2007 0.041015486929033756 2008 0.041017049328604255 2009 0.03894182302002582 2010 0.039973636890170645 2011 0.043943370804807494 2012 0.03982232143020629 2013 0.053900066268698726 2014 0.06754863262187176 2015 0.04108221701683046 2016 0.029732419887335992 2017 0.03375521498791344 2018 0.03231123508114352 2019 0.03371487991632232 2020 0.03258478084817874