Year	constant 2011 PPP $
1991	5271.626953125
1992	4981.2412109375
1993	3471.51391601563
1994	2522.79296875
1995	3571.873046875
1996	3263.68798828125
1997	3017.76293945313
1998	2816.44506835938
1999	2613.69995117188
2000	2387.498046875
2001	2145.96606445313
2002	3356.30395507813
2003	3433.76098632813
2004	3277.78393554688
2005	3469.10302734375
2006	3565.34790039063
2007	3943.85791015625
2008	4022.11108398438
2009	4755.85009765625
2010	4999.61279296875
2011	5064.02392578125
2012	5497.7109375
2013	5419.23486328125
2014	5279.43115234375
2015	5082.166015625
2016	4977.48193359375
2017	4900.77587890625
2018	4896.6748046875
2019	4916.10693359375