Year	constant 2011 PPP $
1991	8934.876953125
1992	9539.0478515625
1993	10271.1748046875
1994	11222.71875
1995	11826.939453125
1996	12811.9052734375
1997	13656.2509765625
1998	13512.2578125
1999	14102.638671875
2000	14058.6611328125
2001	14500.775390625
2002	14835.3681640625
2003	14745.5810546875
2004	15213.9755859375
2005	14840.8056640625
2006	15356.0185546875
2007	16195.888671875
2008	16353.7236328125
2009	16947.189453125
2010	17534.25390625
2011	18154.986328125
2012	18807.73828125
2013	19455.923828125
2014	19855.857421875
2015	20180.779296875
2016	20507.373046875
2017	20772.78125
2018	21259.115234375
2019	21813.025390625