Year	metric tons per capita
1990	7.44276430753771
1991	7.553847379898428
1992	6.924421841807549
1993	6.333546175094737
1994	6.291220658714204
1995	6.423549677186751
1996	6.213496079466637
1997	5.466984340895828
1998	6.597061490561132
1999	6.642478892941
2000	6.50833502556813
2001	6.172146614648116
2002	6.1939748863779265
2003	6.251292504948448
2004	6.105412881205751
2005	5.6227070418971605
2006	5.406279064491981
2007	5.400848836624114
2008	5.460935238909025
2009	5.457035187484546
2010	5.302835465826529
2011	5.775896282577061
2012	6.266800327696363
2013	7.27447167120446
2014	6.4731414356604855
2015	5.621127739707713
2016	5.153595167383882
2017	5.438825121547791
2018	6.955357720461999
2019	6.48289363427156
2020	6.042251476735117