Year	metric tons per capita
1990	0.2271433537018473
1991	0.22568027261756535
1992	0.21592399126551975
1993	0.22207874051699072
1994	0.22413680053701251
1995	0.23532617091221392
1996	0.27368947263733184
1997	0.32425517524653497
1998	0.31462911572552854
1999	0.41792758475002956
2000	0.38628139719411153
2001	0.37658009628964545
2002	0.3867303683119167
2003	0.29297128891304375
2004	0.2947494521810117
2005	0.30977508689279487
2006	0.2938374369014178
2007	0.28549226196783684
2008	0.3198259433981137
2009	0.2916756658675151
2010	0.3006906899143477
2011	0.2837417985342797
2012	0.3651721943388292
2013	0.38685728435835115
2014	0.3999425106286845
2015	0.415553147784264
2016	0.396202600337942
2017	0.4251365581863759
2018	0.39989035846412097
2019	0.41452830515561473
2020	0.4063473568903829