Year	metric tons per capita
1990	0.874932348598626
1991	0.9252010248245134
1992	0.9794621214018082
1993	0.9910962535151135
1994	1.057666395397738
1995	1.0824372360995778
1996	1.0550243298913782
1997	1.0914943681302536
1998	1.102288172870979
1999	1.1427300077435505
2000	1.1513631079467046
2001	1.2538153605222961
2002	1.278760289848237
2003	1.2558835140909341
2004	1.3654589723846586
2005	1.43204654115934
2006	1.4591823013650753
2007	1.4837365777006375
2008	1.537228142810973
2009	1.5218889365021748
2010	1.5940155611304714
2011	1.6996113415698337
2012	1.7412960458433753
2013	1.7038310824784644
2014	1.71369617616228
2015	1.7405335304395346
2016	1.7173055695824089
2017	1.7736629145678007
2018	1.7893279609600563
2019	1.9553080165912637
2020	1.8185263873099922