Year	metric tons per capita
1990	29.5534895901532
1991	30.370542635658914
1992	29.15917638809205
1993	29.298194855022327
1994	26.83030340634113
1995	21.1927806668706
1996	21.091918643249443
1997	19.650017880557876
1998	17.81375088297622
1999	18.39897787327952
2000	19.6119642447857
2001	20.652284695090877
2002	22.005491118955565
2003	22.676970086132453
2004	25.45279909189142
2005	25.610437743734387
2006	24.791118765564274
2007	23.15533768200786
2008	22.55704491967666
2009	20.978820088271394
2010	21.755665712600575
2011	21.041503085770728
2012	20.148941700285906
2013	18.722946113074205
2014	17.333939700064175
2015	16.03464863308544
2016	15.198775287192403
2017	15.103062702905744
2018	15.331523974011018
2019	15.323039801548706
2020	12.456953232691275