Year	metric tons per capita
1990	0.9878374585049038
1991	1.0171757412727058
1992	1.027960373533216
1993	1.0013268799286228
1994	0.931217714434159
1995	0.9203313043906574
1996	0.9538133970374806
1997	0.9349457902393071
1998	0.9347155804233773
1999	0.9360329421680136
2000	0.9564490642342943
2001	0.9518193762167224
2002	0.9138227864468663
2003	0.8984848455249067
2004	0.9134370829546115
2005	0.8915238013259413
2006	0.8944260187485854
2007	0.877725713779362
2008	0.8697560831643789
2009	0.8176133397747255
2010	0.8431786249726247
2011	0.845104364312369
2012	0.7988402367684879
2013	0.814695263761855
2014	0.8203186999245516
2015	0.8044018910771984
2016	0.8379398876032126
2017	0.8579998621465376
2018	0.8389209913007498
2019	0.8370347130309607
2020	0.7964588883648427