Year	metric tons per capita
1990	6.700312331070935
1991	6.47469314182713
1992	6.903191097771612
1993	6.707435193998097
1994	6.692237569060773
1995	6.622148418359013
1996	6.809431939978563
1997	7.322613915849046
1998	7.124718217562254
1999	7.460796328648536
2000	7.635378593462426
2001	8.14812524159258
2002	7.988628593136634
2003	8.293007548669049
2004	8.033296636085627
2005	8.280848593338009
2006	8.188572384457295
2007	7.876911785595908
2008	8.020423494060754
2009	7.2443871147678145
2010	7.136621693060887
2011	6.909352189781021
2012	7.283727683128785
2013	7.178023907611265
2014	7.07864496844902
2015	7.003340998828481
2016	6.615409091873317
2017	6.840493601462524
2018	6.613271844263967
2019	6.830053020565552
2020	6.160799182743311