Year	metric tons per capita
1990	1.279993775858932
1991	1.3115681197104285
1992	1.3176901521138618
1993	1.3358994954388466
1994	1.3706589829365683
1995	1.4035886142525376
1996	1.4430781083750126
1997	1.4835648898250064
1998	1.4997513139563474
1999	1.5194804684108216
2000	1.5476511015012095
2001	1.5564940372254963
2002	1.5763263527871176
2003	1.613266908277668
2004	1.6713957462992255
2005	1.714107050127466
2006	1.7783342095796204
2007	1.8551707499191867
2008	1.8966141946767328
2009	1.9236848404434288
2010	1.988005030522477
2011	2.0344380634199615
2012	2.1032365275606697
2013	2.0970924937213624
2014	2.1725322235941302
2015	2.1607220325703977
2016	2.166772189475591
2017	2.2184013136366625
2018	2.241994582314564
2019	2.203392613076248
2020	2.0168567830325186