Year	metric tons per capita
1990	0.47011126936538117
1991	0.5210841726394374
1992	0.5580133903482543
1993	0.51385898879303
1994	0.46238438076457994
1995	0.4926561642425688
1996	0.5543047104904015
1997	0.5400619778383602
1998	0.5067093957334556
1999	0.5029054025497163
2000	0.5216885977339175
2001	0.5335523461012499
2002	0.4865957540784665
2003	0.5057905125822285
2004	0.49707447669860194
2005	0.4907338753021632
2006	0.45281273077811535
2007	0.42684235713620006
2008	0.4369766220269362
2009	0.4097951062422442
2010	0.44781657746393994
2011	0.45157809041490893
2012	0.4521007819895563
2013	0.48162310736051706
2014	0.49350486934443766
2015	0.47557674926893
2016	0.47977510914425736
2017	0.4651656140804284
2018	0.4758170128069935
2019	0.49083727504644814
2020	0.4631502732983236