Year	metric tons per capita
1990	3.378984286110638
1991	3.3686185055566393
1992	3.319294060667114
1993	3.3000322851477693
1994	3.217880281356889
1995	3.3440161332589393
1996	3.3153468934138495
1997	3.2704146992322567
1998	3.271968448189042
1999	3.2146890333007856
2000	3.319743039964353
2001	3.4142029962626856
2002	3.540119966888708
2003	3.8733539169645277
2004	4.223196095159441
2005	4.569205705966231
2006	4.887966212331348
2007	5.15489415233433
2008	5.277562468482585
2009	5.374279934328551
2010	5.796824165262452
2011	6.200502990323397
2012	6.298300838426429
2013	6.46682777048745
2014	6.428533648933444
2015	6.314719631600372
2016	6.27846120554869
2017	6.373409991837094
2018	6.5930247811508655
2019	6.69514227292838
2020	6.681100035133825