Year	metric tons per capita
1990	0.4344696172369081
1991	0.4339873853558864
1992	0.5065876087260603
1993	0.5227452932240545
1994	0.5425044149342835
1995	0.6191535431960965
1996	0.588595818407276
1997	0.6086466138233033
1998	0.7518684001714613
1999	0.7265885709567205
2000	0.8147967848517325
2001	0.8288713408889223
2002	0.8639048734070613
2003	0.8512537802043828
2004	0.8500479573269679
2005	0.8925964907186215
2006	0.8741248421102025
2007	0.9232161686818382
2008	0.8204421491955303
2009	0.8488741938502262
2010	0.8048984525396666
2011	0.810858922089052
2012	0.8242286433000482
2013	0.8672106139990471
2014	0.9145571017872622
2015	1.0570731089077774
2016	1.1026182595186034
2017	1.0275172808961637
2018	1.1057536727034707
2019	1.145372815002819
2020	1.0004073356481926