Year	metric tons per capita
1990	5.822701331642359
1991	6.393754669543376
1992	6.761463961768491
1993	6.9441854946694015
1994	7.079095831103069
1995	6.780934535225378
1996	7.057830279367951
1997	7.0251852148983085
1998	7.2267290577919665
1999	7.375590382138257
2000	7.51679168815391
2001	7.246976151239079
2002	7.298456313111259
2003	7.831359024341482
2004	7.636126610411079
2005	7.618445184569486
2006	7.5792230334704636
2007	7.735644717764577
2008	7.77259037523229
2009	7.449409257102327
2010	6.991677333347496
2011	6.6672721524846175
2012	6.137878321499349
2013	5.508034496232972
2014	5.787450244053713
2015	5.771090223030793
2016	6.026642045411856
2017	6.091071498018656
2018	5.906151057857898
2019	5.851879339472476
2020	5.47199800894842