Year	metric tons per capita
1990	0.5618899077811369
1991	0.5879326265086384
1992	0.5984052708346411
1993	0.6119504009416715
1994	0.6300290618401198
1995	0.6652840819334556
1996	0.684170744089116
1997	0.7090437231280418
1998	0.7086082570834662
1999	0.7498900537977482
2000	0.7626438020083272
2001	0.7636196457628887
2002	0.7740148130854556
2003	0.7815835242254167
2004	0.8263391417538007
2005	0.8505635688637926
2006	0.895275081347598
2007	0.9694426034303599
2008	1.0095884466354326
2009	1.0871443133325271
2010	1.131311067017238
2011	1.1793427170562427
2012	1.2570156677834445
2013	1.2781567979709478
2014	1.3704978383315323
2015	1.3709583498179414
2016	1.3930339615296399
2017	1.4538674778992595
2018	1.516961077014942
2019	1.478649885729335
2020	1.33779148421422