Year	constant 2011 PPP $
1991	3700.51293945313
1992	2997.81005859375
1993	3067.23608398438
1994	3023.07202148438
1995	2781.96606445313
1996	2829.85595703125
1997	2647.955078125
1998	2663.09497070313
1999	2559.44604492188
2000	2655.0029296875
2001	2390.2080078125
2002	2898.05297851563
2003	3017.26098632813
2004	2996.83911132813
2005	3040.42895507813
2006	3103.53588867188
2007	3298.51000976563
2008	3431.74609375
2009	3512.47998046875
2010	3637.53491210938
2011	3817.11596679688
2012	4354.19921875
2013	5206.27978515625
2014	5374.5751953125
2015	4133.123046875
2016	4267.9150390625
2017	4310.80908203125
2018	4456.22607421875
2019	4623.77099609375