Year	metric tons per capita
1990	15.437182774134481
1991	15.31527127113135
1992	15.353973579744643
1993	15.481705272889844
1994	15.730914795387573
1995	16.114601584170337
1996	16.47101441680983
1997	16.706176077266736
1998	17.60233354314026
1999	17.737243109069702
2000	17.837318397658454
2001	17.930726915037493
2002	18.1232107784425
2003	17.894539134110452
2004	18.368871045309312
2005	18.27847308528529
2006	18.29274959432234
2007	18.454737655599853
2008	18.239289866879215
2009	18.15720083665362
2010	17.97375151769605
2011	17.656055338167945
2012	17.40561766541088
2013	16.794588096598734
2014	16.155745139886434
2015	16.198458221040106
2016	16.320330610175137
2017	16.149150304961804
2018	15.865713521848793
2019	15.599045361511463
2020	14.776136906625878