Year	constant 2011 PPP $
1991	14369.1318359375
1992	10050.203125
1993	8622.2041015625
1994	6863.47998046875
1995	6010.9541015625
1996	5085.673828125
1997	5104.34716796875
1998	5433.23095703125
1999	5436.14794921875
2000	5681.36279296875
2001	6045.4990234375
2002	6460.248046875
2003	6885.7568359375
2004	7271.76708984375
2005	7452.5361328125
2006	7598.544921875
2007	7851.5732421875
2008	8198.0244140625
2009	8297.1923828125
2010	8578.5654296875
2011	8965.208984375
2012	9395.09375
2013	9841.12109375
2014	10222.0068359375
2015	10550.013671875
2016	10992.259765625
2017	11501.7734375
2018	11936.1884765625
2019	12418.765625