Year	metric tons per capita
1990	14.512533643259113
1991	14.975098942596306
1992	15.441342725983395
1993	13.38440816103271
1994	12.335747960177299
1995	11.07959899199829
1996	9.846745717596745
1997	8.623793358790248
1998	9.012845317430617
1999	8.215849361759023
2000	8.072763921909889
2001	7.904209993919237
2002	8.820775198890258
2003	9.802269351189372
2004	10.526195192108379
2005	11.171669374898537
2006	12.104668872690477
2007	12.812576852573256
2008	15.341253163319777
2009	13.274060944687017
2010	14.07327541840789
2011	14.824684750478974
2012	14.566322595936539
2013	15.263104785985496
2014	12.104225491423817
2015	10.891051294758661
2016	11.37883973046054
2017	11.9137581041033
2018	11.867549565966087
2019	11.050870348633683
2020	11.297743305942856