Year	constant 2011 PPP $
1991	7941.48388671875
1992	7550.5
1993	7322.7568359375
1994	7144.77490234375
1995	7375.19482421875
1996	7521.39404296875
1997	7871.97509765625
1998	7902.77880859375
1999	7958.412109375
2000	7950.77783203125
2001	7838.3740234375
2002	8036.5078125
2003	7993.19921875
2004	8136.63720703125
2005	8305.03515625
2006	8388.15234375
2007	8550.4306640625
2008	8632.384765625
2009	8868.95703125
2010	9101.5947265625
2011	9303.818359375
2012	4248.23095703125
2013	5310.47412109375
2014	5251.40576171875
2015	5088.3232421875
2016	4232.9111328125
2017	3884.7119140625
2018	3639.81298828125
2019	3359.712890625