Year	metric tons per capita
1990	2.8541162740652655
1991	2.6678093017661295
1992	3.0839535781624856
1993	2.994239845879013
1994	3.0373529217893833
1995	3.051481597372928
1996	3.009172265527019
1997	3.03646329007228
1998	3.017090031527105
1999	2.9552544803591356
2000	3.217472341735075
2001	3.1473802657597547
2002	3.198445199460452
2003	3.2078251824413737
2004	3.3585465175023677
2005	3.4989664585965325
2006	3.31937135547279
2007	3.2579655661573095
2008	3.016641506629179
2009	3.047713492219519
2010	2.913872200399985
2011	2.9193190416850676
2012	3.3449470684620604
2013	3.0934730845995757
2014	2.951377138391592
2015	2.6657303802745367
2016	2.481771573449199
2017	2.5473156605710545
2018	2.36236318537572
2019	2.163621447611823
2020	1.919172426489797