Year	metric tons per capita
1990	1.3548745265317883
1991	1.391854049408046
1992	1.5517005873514547
1993	1.6965577576634476
1994	1.8484202416296385
1995	1.9225720061963398
1996	2.0335262293058993
1997	2.0198901282694557
1998	2.202033725415192
1999	2.282377919320594
2000	2.299686520376176
2001	2.4073128510405124
2002	2.3071836043486056
2003	2.4299741792243954
2004	2.538373955028952
2005	2.4857001197199278
2006	2.592659338018862
2007	2.626583411931852
2008	2.6391657175398633
2009	2.617745509405497
2010	2.970134846579109
2011	2.9138226495105872
2012	2.928536771331531
2013	2.9107128487509915
2014	2.894098533214343
2015	2.8538403284307865
2016	2.8654350869833856
2017	2.99667537804169
2018	2.9675975894945132
2019	2.9935660169221037
2020	2.785139229065427