Year	constant 2011 PPP $
1991	48869.48828125
1992	50378.5234375
1993	48528.94140625
1994	47210.3671875
1995	50255.35546875
1996	48403.1796875
1997	45695.9765625
1998	47798.1640625
1999	49160.0078125
2000	50767.3671875
2001	49265.6875
2002	49841.87109375
2003	50717.41015625
2004	47896.03515625
2005	48208.38671875
2006	46363.03515625
2007	47814.26953125
2008	46688.0546875
2009	45968.375
2010	46357.15625
2011	46765.5703125
2012	47885.14453125
2013	46703.7734375
2014	50446.5703125
2015	52250.82421875
2016	52734.45703125
2017	54043.02734375
2018	54806.73046875
2019	55316.42578125