Year	metric tons per capita
1990	5.5303681586295035
1991	5.699778188251328
1992	5.934201677142047
1993	5.540467681142947
1994	5.776431165021472
1995	6.05596106137214
1996	5.768715311352873
1997	6.206173347943372
1998	6.3697948381380645
1999	6.890864915891611
2000	7.230213057310585
2001	7.2162503526280215
2002	7.548673404944124
2003	7.5533417425883815
2004	7.817928355679543
2005	8.029197431434222
2006	7.698129249651314
2007	7.842320846777517
2008	7.056479349201136
2009	6.214687047712628
2010	5.8857634934332355
2011	5.893329176106376
2012	5.778549209582312
2013	5.229400786721677
2014	5.206009214713267
2015	5.538855216442596
2016	5.340585338690926
2017	5.681590778541332
2018	5.52105983547843
2019	5.131798800959045
2020	4.2795945712140995