Year	metric tons per capita
1990	4.263991551909602
1991	4.917873825968013
1992	4.893752748968467
1993	4.877945006214856
1994	4.8512776920768585
1995	4.80467022716288
1996	4.752956143513115
1997	4.706396754598829
1998	4.615980277163568
1999	4.569361445655085
2000	3.090660086263408
2001	3.1197757871455125
2002	2.250830196140143
2003	2.449402516971694
2004	2.728234215742344
2005	3.268490178606021
2006	2.9295069374337914
2007	2.6731521784424923
2008	2.7259532005588665
2009	2.679268204604926
2010	3.1952644301201287
2011	3.536618937744727
2012	4.374810745532699
2013	4.060328364190252
2014	4.599057017774829
2015	4.733654806898649
2016	5.0818999987961195
2017	4.160143917461906
2018	3.6154215406381853
2019	4.425813050453023
2020	4.285076556876117