Year	constant 2011 PPP $
1991	5076.89990234375
1992	5560.60400390625
1993	5581.81884765625
1994	5904.666015625
1995	6185.47900390625
1996	6061.9169921875
1997	5751.85400390625
1998	5651.43798828125
1999	5428.169921875
2000	4441.173828125
2001	3934.69091796875
2002	3705.5849609375
2003	3843.17993164063
2004	3926.11010742188
2005	4028.73193359375
2006	4196.22998046875
2007	4392.64697265625
2008	4598.5439453125
2009	4265.02099609375
2010	4444.64404296875
2011	4953.26220703125
2012	5068.69189453125
2013	5090.44091796875
2014	5073.9921875
2015	5072.9912109375
2016	5112.23583984375
2017	5139.22216796875
2018	5169.158203125
2019	5213.32080078125