Year	metric tons per capita
1990	3.124817711232376
1991	3.122442141096388
1992	3.0941746621819766
1993	3.0961144326283723
1994	3.040346321072645
1995	3.1529730662533937
1996	3.1373747425861698
1997	3.1297707648502
1998	3.1414128184272236
1999	3.0705766449181566
2000	3.1800458624206267
2001	3.2542200387597884
2002	3.3565932690949745
2003	3.6543695851062616
2004	3.960837902269457
2005	4.248879178077939
2006	4.5248391067250475
2007	4.767848192790547
2008	4.862375942324336
2009	4.935911070683448
2010	5.303968633836799
2011	5.658583202664869
2012	5.746135170810595
2013	5.863791930031822
2014	5.832426992554984
2015	5.706545273595293
2016	5.654134876502265
2017	5.736267181586444
2018	5.905727021967479
2019	5.967620412820318
2020	5.8767895681481495