Year	metric tons per capita
1990	14.621489390854215
1991	14.397086069715817
1992	13.671976239216098
1993	12.665094903752305
1994	11.354154083105758
1995	11.022585511206085
1996	10.807067399354114
1997	10.069991986836309
1998	10.076231463631967
1999	10.350328556693249
2000	10.667660303167866
2001	10.735784138160009
2002	10.772638748561944
2003	11.13039807957239
2004	11.112711366122765
2005	11.231852152847361
2006	11.568369096944998
2007	11.611269047409605
2008	11.595654089130063
2009	10.83210862784044
2010	11.325400945840414
2011	11.880189090625846
2012	11.687641588139114
2013	11.353377535865457
2014	11.175760781251313
2015	11.010450197163017
2016	10.836894907618815
2017	10.974702474154686
2018	11.423807680135807
2019	11.712273323537245
2020	11.141652731835144