Year	metric tons per capita
1990	1.86374863765068
1991	2.3683109695273035
1992	2.0099947976605237
1993	2.089330868228472
1994	2.0295742278848476
1995	1.9906070074082807
1996	1.575486084635913
1997	1.929835065886135
1998	1.7767343835451987
1999	1.608710410642238
2000	1.7686746587023618
2001	1.940346634421604
2002	1.7567298339368795
2003	1.7053159493632528
2004	1.5051740357478833
2005	1.5525635309852874
2006	1.5973456078190966
2007	1.6542552654514373
2008	1.475115401853627
2009	1.6933453437777517
2010	1.6491465542399086
2011	1.7400117740594407
2012	1.3804704814290674
2013	1.32699716845379
2014	1.3728411880738502
2015	1.875949993192005
2016	1.7731471524285827
2017	1.716338442404849
2018	1.648929766061361
2019	1.8920829103432324
2020	1.741107715213929