Year	metric tons per capita
1990	10.343435700608415
1991	9.03932537023216
1992	8.689172662250217
1993	8.322509227171025
1994	7.8001156307007555
1995	7.902015647522501
1996	7.848737503398711
1997	7.85272429077306
1998	7.680804583457316
1999	7.535201871008631
2000	7.065165753648362
2001	7.171956473361397
2002	7.079416587067075
2003	7.133544026527838
2004	6.967339751464927
2005	7.169120349939985
2006	7.0487473232169275
2007	6.919612207146848
2008	6.896373516447419
2009	6.2952736945562595
2010	6.571950882029769
2011	6.319835713798796
2012	5.981808125225725
2013	6.081287650831928
2014	5.6172857847039
2015	5.670137971507436
2016	5.799847462564434
2017	6.173022220784111
2018	6.059571808691791
2019	5.689707299784916
2020	5.3190548079285165