Year	metric tons per capita
1990	0.48822113729113514
1991	0.49420539939578395
1992	0.4868240336707673
1993	0.46866616617115825
1994	0.4450441671805732
1995	0.4472250899598497
1996	0.4662463787272302
1997	0.46403734437940425
1998	0.4695861551083681
1999	0.47239285380005097
2000	0.48012174916259887
2001	0.483590519807771
2002	0.4739498679774641
2003	0.4739513281918649
2004	0.4828814698444857
2005	0.48759911739358114
2006	0.49372445427762557
2007	0.49754286827765615
2008	0.49762313233945427
2009	0.48098395184528353
2010	0.4969190217152039
2011	0.5030396890986989
2012	0.4880095990042684
2013	0.48943027872065076
2014	0.49855960448161873
2015	0.4965859139111949
2016	0.5223608068490114
2017	0.5437992568708158
2018	0.5467961083509721
2019	0.547832312551737
2020	0.5167214901658412