Year	metric tons per capita
1990	0.7343070754842781
1991	0.7900336939173612
1992	0.7878327533518221
1993	0.9584495823835383
1994	1.0733342694657024
1995	1.1578818294883249
1996	1.1847055735409924
1997	1.243480695859148
1998	1.4995839355319054
1999	1.5184876529672353
2000	1.3671548944320948
2001	1.649052718649079
2002	1.7338034376377258
2003	1.8407186052268627
2004	2.027387041773231
2005	2.050105762966004
2006	2.0434903569152896
2007	2.2197357973002236
2008	2.077667790710323
2009	2.6238164603058993
2010	2.1370805430526585
2011	2.06894013964656
2012	2.2279174338240058
2013	2.1060958585388554
2014	2.502057767135588
2015	2.3149452489622657
2016	2.408387833489048
2017	2.1326587651233075
2018	2.39644380277543
2019	2.2406694369257747
2020	2.1006957718480006