Year	metric tons per capita
1990	2.1697055930728744
1991	2.048371494252652
1992	1.9055570747906754
1993	1.7609275701504732
1994	1.5838003049682816
1995	1.5592792000934033
1996	1.4798437546345242
1997	1.4604547132499
1998	1.3444611090074348
1999	1.2769876391510178
2000	1.2892850210865712
2001	1.3013853375959248
2002	1.2595821119552328
2003	1.2739799462001984
2004	1.2281487521088967
2005	1.2180240221779217
2006	1.1923187716275783
2007	1.1568839458926041
2008	1.1630203191574666
2009	1.0770966681622665
2010	1.1351405332671298
2011	1.1127847949780099
2012	1.134949204880235
2013	1.1265787910107206
2014	1.0718266902053057
2015	0.951742058193019
2016	0.9436850737339654
2017	0.9136933521411419
2018	0.9250460431831631
2019	0.8920556807092415
2020	0.7749509517548089