Year	metric tons per capita
1990	0.9024049740216751
1991	0.9068425391591096
1992	0.9086699849519619
1993	0.9556304124680131
1994	1.0029191595132807
1995	1.200849698703776
1996	1.0077205563427118
1997	1.318741766911307
1998	1.3475876874873074
1999	1.4891263209991559
2000	1.8333187018991601
2001	2.040995994306927
2002	1.5469807506372506
2003	1.7752257385815726
2004	2.104296088896666
2005	2.1609342691557214
2006	2.259171976375433
2007	2.3845874227553616
2008	2.4090605100171554
2009	2.3812639016093162
2010	2.508908443022326
2011	2.212621105001309
2012	2.4242248287074672
2013	2.4905912611342798
2014	2.594744201467472
2015	2.584027311554559
2016	2.604352479486265
2017	2.3521724926494607
2018	2.3339875464185362
2019	2.4374194993559946
2020	2.261268143621085