Year	metric tons per capita
1990	4.113763718272004
1991	4.293844472545075
1992	4.699726520809759
1993	4.595513651975605
1994	4.734302321217232
1995	5.056085191402983
1996	4.843279648289016
1997	5.038254612707102
1998	5.472394430186189
1999	6.08814319442449
2000	5.992401479587067
2001	5.923501566480312
2002	6.2962786302125275
2003	5.786847293781966
2004	5.92613732669672
2005	6.233623050975263
2006	5.744758174267802
2007	5.576951604880753
2008	5.383921864541578
2009	5.327241121446159
2010	4.817631536635424
2011	4.723430413845623
2012	4.58592633423758
2013	4.45193522799156
2014	4.416000981438241
2015	4.8128532750676865
2016	4.71603567572635
2017	5.171956156616797
2018	4.8096126128982
2019	4.3324480425981715
2020	3.784907586917108