Year	metric tons per capita
1990	12.447313765614979
1991	12.541688282813311
1992	12.924272572598552
1993	13.796700537032029
1994	14.609759021700038
1995	15.381966385486981
1996	15.765065513592601
1997	16.682470507478886
1998	14.111734426147578
1999	13.554709596538702
2000	14.128579385851953
2001	13.819009942831654
2002	13.296667558847993
2003	15.578528153200864
2004	14.15687133975659
2005	13.61076797639597
2006	20.173386837192336
2007	18.86003358433576
2008	20.575034844292816
2009	20.17442500979988
2010	18.105657576132486
2011	18.2629898432402
2012	17.9510321320893
2013	17.509752199406368
2014	16.993155024768633
2015	15.180679437258712
2016	16.35821161800401
2017	16.94307839619221
2018	17.362310430741882
2019	16.111932938856015
2020	21.70581243986643