Year	constant 2011 PPP $
1991	29665.84765625
1992	31427.138671875
1993	33737.78515625
1994	35668.79296875
1995	37899.94140625
1996	40227.296875
1997	41849.2578125
1998	37672.8046875
1999	38872.98046875
2000	40916.49609375
2001	40247.19140625
2002	41284.13671875
2003	42560.74609375
2004	44204.94921875
2005	45297.08984375
2006	46666.41015625
2007	48510.72265625
2008	50127.23046875
2009	48097.47265625
2010	50185.84375
2011	50381.77734375
2012	50904.37890625
2013	50772.203125
2014	52150.37109375
2015	53444.5703125
2016	54808.859375
2017	56939.1015625
2018	58687.34375
2019	60187.3828125