Year	metric tons per capita
1990	2.204094551627893
1991	2.4872584789676173
1992	2.490001837118268
1993	2.606120161100577
1994	2.7949599083619705
1995	2.707691490491873
1996	3.1236504966172447
1997	3.5942006492582674
1998	3.731324353803617
1999	3.834100236289019
2000	3.6200712428048463
2001	3.9863550158863084
2002	4.207923748551773
2003	4.136214831905871
2004	4.646256441345862
2005	4.6090902507905085
2006	4.598108747044917
2007	4.756976703162302
2008	4.802428814572887
2009	5.135283740750074
2010	4.942631168541829
2011	4.6682906188172595
2012	4.798251475034823
2013	4.582596804856085
2014	4.998960146236277
2015	5.350089382245582
2016	5.97399579623351
2017	5.95452980395021
2018	6.224550960087638
2019	6.097823303457106
2020	6.080518372570129