Year	constant 2011 PPP $
1991	3860.73095703125
1992	3648.99389648438
1993	3672.42895507813
1994	3705.7109375
1995	3635.05590820313
1996	3801.10400390625
1997	3878.73608398438
1998	4087.69702148438
1999	4236.7138671875
2000	4136.22802734375
2001	4675.86083984375
2002	4724.38623046875
2003	5037.80908203125
2004	4989.67822265625
2005	5214.2001953125
2006	5342.2119140625
2007	5407.755859375
2008	5387.72998046875
2009	5418.14013671875
2010	5453.158203125
2011	5410.4169921875
2012	5228.7587890625
2013	5213.1328125
2014	5370.0400390625
2015	5621.5029296875
2016	5892.6298828125
2017	5989.7998046875
2018	6199.7470703125
2019	6394.76806640625