Year	metric tons per capita
1990	20.752003215968518
1991	19.32431851927944
1992	22.133298465201
1993	22.77316973272564
1994	22.540143007885327
1995	22.08374800549488
1996	22.37036077097649
1997	22.088308615889545
1998	23.032399283849134
1999	22.323570758799246
2000	22.31594423719713
2001	22.4391139009965
2002	23.013400612568887
2003	23.056821919779612
2004	21.50972282713681
2005	22.944027248506245
2006	23.15740472779591
2007	22.105038576420522
2008	22.301396955715486
2009	20.956409454213098
2010	21.39480655381104
2011	21.46530294692499
2012	22.18412508704515
2013	22.86884160951372
2014	23.096571364940576
2015	22.385624993576293
2016	21.495309865279665
2017	20.946037777811338
2018	20.737961730337382
2019	22.063354812112
2020	21.97690780652589