Year	metric tons per capita
1990	7.592152177565383
1991	7.33672475376123
1992	7.099907476912871
1993	6.937047805801609
1994	6.663237052935105
1995	6.7541317060767865
1996	7.082731850281386
1997	7.194087999752636
1998	7.531924032767773
1999	7.8129616937019275
2000	7.92701635475135
2001	7.725626658802713
2002	7.49876497903993
2003	7.23806946567984
2004	7.286756008474907
2005	7.206273645178263
2006	6.8054000822727225
2007	6.8903899293828665
2008	7.081822365393465
2009	6.995396197801007
2010	7.223590933877712
2011	6.95758640724418
2012	6.862292819624575
2013	6.674233189008926
2014	6.4459306627944315
2015	6.485769241490814
2016	6.465288116901021
2017	6.302097864214417
2018	6.59405703011478
2019	6.287203803885097
2020	5.7771479922779925