Year	constant 2011 PPP $
1991	10781.833984375
1992	9617.3994140625
1993	7083.98388671875
1994	6930.41796875
1995	7711.39208984375
1996	8397.599609375
1997	8913.7822265625
1998	8947.984375
1999	8916.798828125
2000	9120.7109375
2001	9226.810546875
2002	10226.6923828125
2003	10315.404296875
2004	10920.771484375
2005	12230.9775390625
2006	13577.583984375
2007	15581.4248046875
2008	16611.8671875
2009	16139.1826171875
2010	15823.9833984375
2011	15568.8564453125
2012	15792.7744140625
2013	16287.06640625
2014	16439.095703125
2015	16303.580078125
2016	15608.1552734375
2017	15155.7197265625
2018	14947.6474609375
2019	14784.7001953125