Year	kg per 2021 PPP $ of GDP
1990	0.25937771191983205
1991	0.26875079859938417
1992	0.263805787400824
1993	0.24790214631909324
1994	0.2576324870450647
1995	0.2571701668593121
1996	0.2561847638955116
1997	0.26655611439475907
1998	0.27346811832763723
1999	0.28971808198790305
2000	0.2726549058585608
2001	0.28600660041155457
2002	0.28132344946600596
2003	0.2852851620995133
2004	0.2881337358150043
2005	0.2871079827930408
2006	0.2750649107410099
2007	0.2733414634024449
2008	0.321692873373486
2009	0.33464821683320906
2010	0.31695048758730493
2011	0.3269099040120363
2012	0.31721528681792666
2013	0.3152721071817456
2014	0.28096219308862463
2015	0.2716385362028008
2016	0.26930014502475036
2017	0.244922610524072
2018	0.26562765555737794
2019	0.24318457834400214
2020	0.26109097990757196