Year	metric tons per capita
1990	0.49661606799669333
1991	0.6115854293486596
1992	0.6325443295449262
1993	0.5706080318536497
1994	0.6004949087231152
1995	0.6540072217320893
1996	0.6499872459466608
1997	0.6803972790187626
1998	0.7073663062404174
1999	0.7761163510971731
2000	0.8068464251397037
2001	0.8392057923498353
2002	0.8185740321036132
2003	0.9262413281741029
2004	0.946723370004909
2005	0.9899125595062181
2006	0.9978240302485198
2007	1.0277658699687273
2008	1.0380297418612472
2009	1.1056660186738942
2010	1.0278029219753388
2011	0.9008655729931491
2012	0.8012884374869749
2013	1.0311665408266721
2014	0.9883471892211464
2015	0.4752399002053019
2016	0.34280246342812987
2017	0.32237046673398284
2018	0.3686135401511498
2019	0.3548644769113819
2020	0.3085146143082562