Year	metric tons per capita
1990	6.9738234069137865
1991	5.274281933042453
1992	4.118785267261722
1993	3.2770051515953655
1994	2.159573174615122
1995	1.755647932615987
1996	1.4166799689827836
1997	1.2687357195419773
1998	1.175973646947043
1999	1.087801573754592
2000	1.1706270904712164
2001	0.8759026627570482
2002	0.7435940294305791
2003	0.7989400101626222
2004	0.8588764914675072
2005	1.0872860232842336
2006	1.2115669036815522
2007	1.4576087300053522
2008	1.2573376963031082
2009	1.4744840564185528
2010	1.405473638621542
2011	1.7361646302976674
2012	1.929000550836526
2013	2.1583422726289707
2014	2.326710605487854
2015	2.523141909485364
2016	2.6327530077089096
2017	2.6574810542048777
2018	2.6097067286650466
2019	2.8357912466691633
2020	2.7547091961890193