Year	metric tons per capita
1990	28.399615101601857
1991	32.82685558812319
1992	31.14325907662537
1993	34.183535956843144
1994	36.93155150065011
1995	36.97627602968554
1996	39.56826920351808
1997	46.11880688205946
1998	45.615898188803044
1999	47.288937587028904
2000	44.379250608031434
2001	42.20579201598041
2002	45.56469139887771
2003	46.41688654353562
2004	47.656962013926474
2005	45.40608688480164
2006	43.28857407443895
2007	40.609452281975784
2008	36.889945626773816
2009	33.727303552066296
2010	35.548268343698055
2011	37.97949307465866
2012	39.582139521215744
2013	37.602880077189845
2014	37.10503439882771
2015	35.29042195038212
2016	33.54956869811025
2017	32.25663822874854
2018	31.480967437395453
2019	31.877203012929094
2020	31.726842451324725