Year	metric tons per capita
1990	0.4433928500417545
1991	0.4325114108017947
1992	0.40169759801232213
1993	0.3918842434234811
1994	0.38184438040345825
1995	0.39153166248563986
1996	0.4899435649117987
1997	0.4975652844787584
1998	0.45224154504937514
1999	0.4769729822015451
2000	0.4649249768318461
2001	0.4714922297674513
2002	0.41014223871366734
2003	0.41976666763164755
2004	0.2904595569197164
2005	0.2830466107925305
2006	0.27632859776694196
2007	0.45983051960848714
2008	0.43213992613869506
2009	0.5319393046823175
2010	0.5178180751508435
2011	0.5340358305411191
2012	0.4683012517828481
2013	0.4246131428961728
2014	0.5886776795207593
2015	0.4858232225670856
2016	0.5342174579299339
2017	0.4858065249673545
2018	0.5970440433504429
2019	0.5482845166292164
2020	0.3891749683173717