Year	metric tons per capita
1990	0.6970159006752342
1991	0.7162711139619414
1992	0.7711810690893725
1993	0.7985709782494483
1994	0.8682916623077729
1995	0.9285341679707877
1996	0.7179273748829467
1997	0.8099688473520249
1998	1.1314095910317625
1999	0.7883817427385892
2000	0.819672131147541
2001	1.028999064546305
2002	0.9470288271412217
2003	0.8791890773686388
2004	0.8681442140741498
2005	0.857546408393866
2006	1.0967098703888334
2007	1.300620750812888
2008	0.9248442367601246
2009	1.018447348193697
2010	0.909952606635071
2011	0.9532710280373831
2012	0.9028929426939377
2013	0.7968492397875068
2014	0.7798880631250573
2015	0.7079157856026478
2016	0.691116844821231
2017	0.7111193202807536
2018	0.8099401748734468
2019	0.8123402701715955
2020	0.5962598247357485