Year	metric tons per capita
1990	3.0735631543649102
1991	3.1990381855872045
1992	3.21497210834572
1993	3.2402422294608675
1994	3.244828392468071
1995	3.2303080371463375
1996	3.4627891850664048
1997	3.5212978031504436
1998	3.661556757553398
1999	3.6696010215362542
2000	3.567918490183129
2001	3.3418770665583293
2002	3.1004886679772286
2003	3.334890879301317
2004	3.656084870084913
2005	3.7367168647261524
2006	3.9242618414523487
2007	4.083151438714774
2008	4.152375209779844
2009	3.848348226779553
2010	4.0998441397127765
2011	4.28102814513
2012	4.264111001507645
2013	4.342250130233834
2014	4.209111894913228
2015	4.301913805644751
2016	4.201815869047033
2017	4.070111686936289
2018	3.975650744444786
2019	3.7420298116243296
2020	3.4056175404138016