Year	metric tons per capita
1990	0
1991	0
1992	1.6703113610330107
1993	1.7366786531546257
1994	1.7776886035313
1995	1.828330243382904
1996	1.8141953510031432
1997	1.7819626418121395
1998	1.7963283424873975
1999	1.7739718393580266
2000	1.8958394806727648
2001	1.9554150662525502
2002	2.130431591309454
2003	2.092011818031674
2004	2.1916046661155506
2005	2.1881958886210136
2006	2.3059327036599764
2007	2.446426588696843
2008	2.4769585253456223
2009	2.561901740898998
2010	2.6359143327841847
2011	2.6637216590209736
2012	2.662682221328276
2013	2.771070260165135
2014	2.8580495448144547
2015	2.9609390811576604
2016	3.031306255043556
2017	3.164007035836142
2018	3.285568288068886
2019	3.4050259345376497
2020	2.5338032386612306