Year	constant 2011 PPP $
1991	33656.71484375
1992	35225.88671875
1993	39979.75
1994	35340.01171875
1995	37221.359375
1996	38961.5625
1997	42080.2890625
1998	41986.9375
1999	40107.42578125
2000	43779.828125
2001	41334.734375
2002	44343.34765625
2003	47277.1328125
2004	52091.08203125
2005	55533.31640625
2006	58427.81640625
2007	60408.43359375
2008	59548.07421875
2009	56547.1328125
2010	57653.84765625
2011	60226.5546875
2012	61542.25390625
2013	64677.81640625
2014	66877.828125
2015	68643.9375
2016	68896.0390625
2017	71388.7734375
2018	73146.6171875
2019	75072.328125