Year	metric tons per capita
1990	10.235226206488846
1991	9.850626452618492
1992	9.236265993872355
1993	8.48017689518649
1994	7.617862732102402
1995	7.409660521651469
1996	7.2305124797006295
1997	6.862015585121967
1998	6.765715987676437
1999	6.700292390958913
2000	6.835877512469411
2001	6.8277953699454015
2002	6.895376450198106
2003	7.180083105702464
2004	7.1756986586631095
2005	7.202299944131364
2006	7.48931851393069
2007	7.609604483507393
2008	7.6620976778777345
2009	7.0557871180562834
2010	7.363276613027699
2011	7.686519054595904
2012	7.541939499103668
2013	7.347674482199214
2014	7.071413571139055
2015	6.889532989737493
2016	6.944740558836713
2017	7.082646627494829
2018	7.226209220705094
2019	7.174421507596471
2020	6.909365309210925
