Year	constant 2011 PPP $
1991	11168.4609375
1992	11067.283203125
1993	11477.1884765625
1994	10624.3447265625
1995	11504.859375
1996	11797.8388671875
1997	10918.1865234375
1998	10835.8310546875
1999	11275.1904296875
2000	10806.9521484375
2001	10754.068359375
2002	10648.4365234375
2003	10972.2353515625
2004	11198.9736328125
2005	11815.041015625
2006	13823.9443359375
2007	13841.3203125
2008	13588.3916015625
2009	13283.8251953125
2010	13562.23046875
2011	13812.888671875
2012	14180.9150390625
2013	14551.7626953125
2014	14877.7314453125
2015	14657.2197265625
2016	14410.099609375
2017	14428.953125
2018	14732.859375
2019	15087.9189453125