Year	metric tons per capita
1990	0.62646551448094
1991	0.5993132276667525
1992	0.5340521357429037
1993	0.4915819874649944
1994	0.4686430221115827
1995	0.4491488409315196
1996	0.42096249784469253
1997	0.40717111356041813
1998	0.39290740995799467
1999	0.4019007395976842
2000	0.41021409369548056
2001	0.413610087486726
2002	0.3986166852349024
2003	0.40433189161433064
2004	0.40665733605951976
2005	0.4362968349559322
2006	0.4434591989216246
2007	0.4208972937598116
2008	0.4374242089803345
2009	0.3951855777814385
2010	0.38413532261211447
2011	0.34618389379854647
2012	0.31531996661068085
2013	0.280144623670182
2014	0.28272702282676687
2015	0.24847082060283968
2016	0.24964764837852754
2017	0.29158525313277195
2018	0.29026828281549677
2019	0.29471086433351473
2020	0.26934105017366894