Year	metric tons per capita
1990	17.39073326893294
1991	5.84053004852557
1992	14.220246039664747
1993	18.590809998518424
1994	22.345662010863407
1995	21.899600174478103
1996	20.91717459687504
1997	21.179209613799397
1998	23.15613142633539
1999	24.363983260068167
2000	25.757493535844986
2001	26.70552510099544
2002	27.153745010657605
2003	27.656832766596906
2004	28.752424562835706
2005	31.27431608528753
2006	30.649794428302506
2007	28.16354438721717
2008	28.611506150671655
2009	27.777789701489866
2010	27.426379955397856
2011	26.493554825729806
2012	25.132421097469766
2013	23.95814308334691
2014	22.749990429563717
2015	22.775020000035816
2016	22.57269795471192
2017	21.91040082387372
2018	21.46122994497572
2019	21.135214248722164
2020	21.16961025069924