Year	metric tons per capita
1990	5.3324314522140215
1991	4.762141673326099
1992	3.734255904839641
1993	3.399455893903623
1994	0.8406147254493891
1995	0.8983990783161939
1996	1.0717238636750397
1997	2.098203741932551
1998	2.614956431973394
1999	2.5321609799533547
2000	3.3390599016593487
2001	3.2810305387548597
2002	3.467026803003994
2003	3.5545563473213186
2004	3.7586836147009555
2005	3.9629269689033304
2006	4.413459941460087
2007	4.712845407392844
2008	5.264807556540156
2009	5.3097027915672745
2010	5.468910715260314
2011	6.341784522200868
2012	5.97658267775681
2013	6.039376275549341
2014	5.46245548950622
2015	5.569578733396816
2016	6.422490639146494
2017	6.596663340142388
2018	6.6514535183812145
2019	6.285663956228309
2020	6.312305874475313