Year	metric tons per capita
1990	8.950861492732985
1991	8.294582429731467
1992	7.725796627842185
1993	7.508530203452277
1994	7.3213800192714915
1995	7.36582691333448
1996	7.61870014387255
1997	7.398845788004283
1998	6.959339550564389
1999	6.582621858853955
2000	6.552228009664813
2001	6.71143158862442
2002	6.616509419510521
2003	6.904833310444525
2004	6.9132816402586785
2005	6.931863006505042
2006	7.122723158966084
2007	7.2010610716308765
2008	7.050764984852699
2009	6.534136414935142
2010	6.784218379965563
2011	6.810707481647203
2012	6.564899334795896
2013	6.3235381206919525
2014	6.13970975682107
2015	6.244133256805198
2016	6.376605698425305
2017	6.658387975917245
2018	6.616508181891689
2019	6.285364213748483
2020	5.857205849544673