Year	metric tons per capita
1990	19.407335862480622
1991	19.003389582616876
1992	19.02284514685358
1993	19.218331480191907
1994	19.25618524965226
1995	19.21689700238097
1996	19.575366563472087
1997	20.330853049802503
1998	20.266286876391135
1999	20.10112277809633
2000	20.469796737028872
2001	20.171536931101844
2002	19.445530280791505
2003	19.506505532201356
2004	19.597616707058354
2005	19.469272519612343
2006	18.94591684174771
2007	19.042911779057473
2008	18.278491260822978
2009	16.808681421019354
2010	17.431736987917677
2011	16.604189616843005
2012	15.789760151839031
2013	16.111175263849553
2014	16.040916756824693
2015	15.560015443585261
2016	15.149882724969256
2017	14.823245435942765
2018	15.222518099850381
2019	14.67338071345565
2020	13.03222172902616