Year	metric tons per capita
1990	6.209372837913644
1991	5.922276229212813
1992	5.717822869821199
1993	5.795258085513048
1994	5.8262134804438075
1995	6.007615954173143
1996	6.1360023284430705
1997	6.372628775837888
1998	6.4598235119361656
1999	6.001786144069449
2000	6.076553171914987
2001	6.783723060444532
2002	6.950513573698057
2003	7.33895617266971
2004	7.82476407533056
2005	7.704297844996977
2006	7.672712198775085
2007	7.94385857423182
2008	8.446649684968968
2009	7.902048940861346
2010	8.217612227312273
2011	7.808053741825104
2012	8.034649258755753
2013	8.116434953985639
2014	8.191152527452674
2015	7.607188524178248
2016	7.544589571132848
2017	7.683707810686033
2018	7.667377024635751
2019	7.6889076232217315
2020	6.687563147377806