Year	metric tons per capita
1990	7.44051494202937
1991	6.206436155053953
1992	5.535848373214969
1993	5.1702039424898345
1994	5.065870264028785
1995	5.328357491777342
1996	5.490997746850391
1997	5.036770010150759
1998	4.421379084089176
1999	3.781116445146947
2000	3.965744998734794
2001	4.302409591193193
2002	4.3134312258680145
2003	4.548841989316375
2004	4.444220582863458
2005	4.441102202025967
2006	4.683185050694167
2007	4.631934270689885
2008	4.645519558376902
2009	3.9621579235572852
2010	3.832784828826143
2011	4.171702851089226
2012	4.080349844837742
2013	3.6074713517666632
2014	3.593303302997105
2015	3.6998294678298165
2016	3.6333483857466757
2017	3.7883087277547305
2018	3.8610617146888897
2019	3.8170629571629635
2020	3.5641375014598826