Year	metric tons per capita
1990	0.6965775681574701
1991	0.6874865388757269
1992	0.9413053659842098
1993	0.8240964835567125
1994	0.8112576873208275
1995	1.0123621266575782
1996	1.0673094780568602
1997	1.2574338388343742
1998	1.1358821896594546
1999	1.5457856755036656
2000	1.6360656550103183
2001	1.6751124166446243
2002	2.1020651147514062
2003	1.7781082408672189
2004	2.2940076455888927
2005	2.0418998234631194
2006	2.5143049799459924
2007	2.493187256632813
2008	2.5842800022559764
2009	2.6260826216131816
2010	2.6633478531425014
2011	2.7048392265783567
2012	2.9535091952035795
2013	2.816124653131301
2014	3.25192327073605
2015	3.074736788939855
2016	3.227063392125957
2017	3.272571024591378
2018	3.6264849170406603
2019	3.9632671830773747
2020	2.8263852981311643