Year	metric tons per capita
1990	1.5336182371536788
1991	1.5247897358299372
1992	1.5153342249835813
1993	1.5095890991199403
1994	1.4002327997263024
1995	1.460601779347074
1996	1.5090338707907451
1997	1.5830974505553717
1998	1.6214589919637536
1999	1.666983583697788
2000	1.6058876044289523
2001	1.7391487918599573
2002	1.7399470296964024
2003	1.7511135176526376
2004	1.8640270382659716
2005	2.0514254069949267
2006	2.1176447826215834
2007	2.230582304487583
2008	2.2653192387652794
2009	2.3117899445087606
2010	2.2957909484978942
2011	2.306806899466675
2012	2.3564227749346407
2013	2.2902252342604874
2014	2.2922457665115457
2015	2.3155423992470863
2016	2.3593534957447595
2017	2.40241649556664
2018	2.2940162432771727
2019	2.0631607833808094
2020	1.961122572089288