Year	metric tons per capita
1990	4.169891396786256
1991	4.511467878553854
1992	4.368304470786914
1993	4.369235678953247
1994	4.220431213658239
1995	4.644569700988623
1996	5.046110684763876
1997	4.716817849714276
1998	5.281138207618909
1999	4.858208329706535
2000	4.776363286420752
2001	4.764884164121875
2002	4.4387104083190225
2003	4.66947862663759
2004	4.29825489905512
2005	4.154206834696401
2006	3.6186202774779144
2007	3.1882777746948907
2008	3.2954015617714743
2009	3.1493484894849963
2010	3.367467221473843
2011	3.2593173483779974
2012	3.0500107529516174
2013	3.043944305250796
2014	3.0312605657254856
2015	3.014911878973654
2016	3.059956686923535
2017	2.4972724702892
2018	2.335936117138045
2019	2.351763543986606
2020	2.33327357514897