Year metric tons per capita 1990 0.0643060696974083 1991 0.051673459856574074 1992 0.0517811461001162 1993 0.05034715863376924 1994 0.047327596307117165 1995 0.0499577359571495 1996 0.1569168227522865 1997 0.19360184223455487 1998 0.18448758183057792 1999 0.19746371447733838 2000 0.20355749045123173 2001 0.24058376817325358 2002 0.29297141749160327 2003 0.31898859516545314 2004 0.335218430325513 2005 0.3558045058181448 2006 0.413132505759208 2007 0.4623393269078551 2008 0.4510878553554725 2009 0.4815691750375088 2010 0.5108244906947175 2011 0.4783485736728362 2012 0.4438451547910851 2013 0.45363492884186507 2014 0.48857053386747845 2015 0.5035863238116041 2016 0.5984857130296974 2017 0.5929405052903052 2018 0.6368144937772823 2019 0.6082367732199098 2020 0.6312048059644757