Year	metric tons per capita
1990	1.5644322007958373
1991	1.9199347430165374
1992	1.874669428449298
1993	2.7040721735332287
1994	2.8996868428741323
1995	3.360128698568557
1996	3.5009294184807414
1997	3.926305479834578
1998	3.8899833061483915
1999	4.008216431922673
2000	3.627423887468575
2001	3.848286703727331
2002	3.786252441717008
2003	3.865848192830459
2004	3.908217129634386
2005	3.721459456339419
2006	3.439442322914389
2007	3.126990806735185
2008	3.8149501607430865
2009	4.42377353879464
2010	4.1763681492453655
2011	4.197198207512463
2012	4.532362416737265
2013	4.093169551375797
2014	4.0085478286009915
2015	4.222074281052799
2016	4.434700370800651
2017	4.774872603061717
2018	4.604611215326107
2019	4.655297983865877
2020	3.7921935368006947