Year	constant 2011 PPP $
1991	6054.87707841524
1992	5980.05871079233
1993	5923.7452632974
1994	5782.45733383765
1995	5806.49564687361
1996	5985.46568848813
1997	6199.83875263519
1998	6548.27289775479
1999	6714.3945553198
2000	6729.09365847738
2001	6829.58468711389
2002	6810.53906085659
2003	6550.15274595267
2004	7731.35001859316
2005	7924.18619620907
2006	8310.35969869904
2007	8608.17952374188
2008	8926.05677151211
2009	9149.1581587144
2010	9465.94454739693
2011	9652.56463839629
2012	9911.24715531858
2013	10176.7890046696
2014	10338.0130574115
2015	10428.8322950834
2016	10433.6931463664
2017	10277.6576777059
2018	10297.7167130019
2019	10368.0507356911