Year	metric tons per capita
1990	8.442677227148584
1991	6.8146430753002045
1992	6.4827911969840395
1993	6.600936485703491
1994	6.362695682441275
1995	6.5289510540422775
1996	6.612800505475063
1997	6.375621566137332
1998	6.113456252832519
1999	5.398128083809464
2000	5.314588236330888
2001	5.766610206186879
2002	5.563226275433157
2003	6.164795384168409
2004	6.1249912529189325
2005	6.265279465703752
2006	6.440554967476742
2007	6.9710197210515945
2008	6.67853087882768
2009	5.7637354466949375
2010	6.049624918819963
2011	6.754951602595855
2012	6.162577362259044
2013	5.459060180052209
2014	5.821533905745039
2015	6.2073775238782
2016	5.834418985210348
2017	6.2020108403864525
2018	5.821777166440547
2019	5.613710102740046
2020	4.923280379405005