Year	constant 2011 PPP $
1991	25923.41796875
1992	27783.4140625
1993	28965.978515625
1994	30199.451171875
1995	31707.1640625
1996	34026.6328125
1997	35617.23828125
1998	36500.09375
1999	37317.94921875
2000	38735.546875
2001	39790.62109375
2002	40473.70703125
2003	40747.38671875
2004	42510.75390625
2005	43291.90234375
2006	44507.4453125
2007	45108.87890625
2008	45250.5390625
2009	44956.66015625
2010	45067.94140625
2011	45714
2012	47207.4765625
2013	48171.33203125
2014	48475.3359375
2015	48861.21484375
2016	49118.7578125
2017	49238.890625
2018	50668.8359375
2019	51702.81640625