Year	constant 2011 PPP $
1991	3638.9130859375
1992	3796.05590820313
1993	3861.30590820313
1994	2453.03100585938
1995	2609.86401367188
1996	2679.51611328125
1997	2674.0869140625
1998	2676.11791992188
1999	2877.837890625
2000	3092.39990234375
2001	2984.17504882813
2002	3092.3349609375
2003	3287.27099609375
2004	3581.30493164063
2005	3896.06396484375
2006	4140.0048828125
2007	4387.1611328125
2008	4510.39404296875
2009	4372.05419921875
2010	4493.251953125
2011	4749.408203125
2012	5031.869140625
2013	5339.4072265625
2014	5660.6240234375
2015	6008.5751953125
2016	6306.044921875
2017	6620.88818359375
2018	6962.76513671875
2019	7333.8232421875