Year	constant 2011 PPP $
1991	11955.056640625
1992	11923.9541015625
1993	11970.1259765625
1994	12113.8134765625
1995	12518.7451171875
1996	13349.92578125
1997	14528.6220703125
1998	14836.861328125
1999	10029.087890625
2000	11812.8505859375
2001	12833.240234375
2002	11968.345703125
2003	11767.595703125
2004	19163.65234375
2005	26120.88671875
2006	36676.7109375
2007	38721.62109375
2008	43004.51953125
2009	40862.53515625
2010	40611.37890625
2011	44991.34375
2012	46471.64453125
2013	40498.23828125
2014	29315.990234375
2015	34766.23046875
2016	34189.015625
2017	30668.552734375
2018	30598.462890625
2019	30476.19140625