Year	constant 2011 PPP $
1991	38919.93359375
1992	36915.48828125
1993	36457.46875
1994	36400.25390625
1995	36281.453125
1996	36898.8046875
1997	36878.109375
1998	36027.765625
1999	36151.35546875
2000	36702.01171875
2001	37276.00390625
2002	39420.84765625
2003	40428.1796875
2004	41020.59375
2005	40938.43359375
2006	41356.55078125
2007	42418.39453125
2008	40092.34765625
2009	40775.0078125
2010	43334.64453125
2011	44051.546875
2012	44010.59765625
2013	43766.44921875
2014	43833.17578125
2015	42830.91015625
2016	43167.34765625
2017	42853.6796875
2018	42893.7578125
2019	43368.6875