Year	metric tons per capita
1990	5.741964895173086
1991	5.6598319969454
1992	5.271891463471491
1993	5.222536687631027
1994	4.865558385842607
1995	4.307860434496379
1996	4.288495156081809
1997	4.2562344192335315
1998	4.834040164650118
1999	4.791451834819933
2000	5.022413429396683
2001	5.034975735495875
2002	5.1396316454869755
2003	4.767966551482049
2004	4.826724816204544
2005	4.554977643596897
2006	4.808052627108245
2007	4.562326931665923
2008	4.720545145552838
2009	4.196737901279918
2010	4.419814161274963
2011	4.38433301294505
2012	3.7999026012191637
2013	3.6985669505872396
2014	3.4096340103453766
2015	3.1744949503017676
2016	3.3074048838384944
2017	3.3872566273318387
2018	3.4203227930489346
2019	3.504662697083264
2020	3.376303785487577