Year	metric tons per capita
1990	6.535279667956066
1991	6.075664087729665
1992	5.900418369067891
1993	7.557876479903477
1994	6.688954287254167
1995	6.302809344521606
1996	6.118108474487043
1997	6.451562340807386
1998	6.162938277180388
1999	6.216039094066226
2000	5.458269565507181
2001	6.333136570422464
2002	5.855003800802589
2003	6.543195628503043
2004	6.474475911360985
2005	6.503662395934964
2006	6.539717942897746
2007	6.676763603819789
2008	6.6547136027983855
2009	6.084945342406971
2010	6.240169067907012
2011	6.181354319813197
2012	6.465283266829831
2013	5.567332680700618
2014	5.422291155610989
2015	3.723376766362658
2016	2.9697643162712253
2017	3.2504342957997774
2018	3.2034748158388875
2019	3.290468236050327
2020	3.125557892775919