Year	metric tons per capita
1990	8.311026932542635
1991	8.321563170760092
1992	8.049816163897207
1993	7.8503241305745695
1994	7.824949233946492
1995	7.954446873732958
1996	8.112640480282458
1997	8.009988776772083
1998	8.120845311697401
1999	8.048609708280301
2000	8.080589773644075
2001	8.197535260963383
2002	8.172681780138355
2003	8.301708188173166
2004	8.295172768634202
2005	8.229978965566184
2006	8.142431379253045
2007	7.990439439940737
2008	7.782051214541014
2009	7.178004870490926
2010	7.349038371548956
2011	7.101089434426263
2012	6.998145543501655
2013	6.830642078361717
2014	6.445445856041666
2015	6.564651453989156
2016	6.5459270966135
2017	6.542312870557731
2018	6.363281247415792
2019	6.0474734807922115
2020	5.397825215157318