Year	metric tons per capita
1990	10.110604307890055
1991	12.164663354738124
1992	11.016481125891206
1993	11.429052150202327
1994	12.133944658079438
1995	11.472218777450031
1996	13.941491227370165
1997	12.037352570704472
1998	11.257133236768693
1999	10.659647235831342
2000	9.851270203700041
2001	10.12270883146416
2002	10.014953688951737
2003	10.98844019208344
2004	9.941228855904582
2005	9.263313941387215
2006	10.691758661328695
2007	9.779732004647862
2008	9.124710277611069
2009	8.678757109917537
2010	8.674756650659385
2011	7.736727933863883
2012	6.83460751287831
2013	7.116862679726129
2014	6.347153128170143
2015	5.9303247674005535
2016	6.169734340547591
2017	5.75613445319845
2018	5.718912958977747
2019	5.1073864263722175
2020	4.691237307516337