Year	constant 2011 PPP $
1991	9054.9501953125
1992	8576.322265625
1993	9657.673828125
1994	10714.1611328125
1995	12466.158203125
1996	13757.6845703125
1997	12035.0361328125
1998	13053.6162109375
1999	14830.568359375
2000	15586.9677734375
2001	16755.84375
2002	17459.076171875
2003	18697.18359375
2004	19994.169921875
2005	21368.7578125
2006	22710.748046875
2007	24299.09375
2008	24759.798828125
2009	26018.53515625
2010	27203.609375
2011	26752.552734375
2012	26027.546875
2013	28669.173828125
2014	29050.4765625
2015	28173.65625
2016	28424.58203125
2017	28917.279296875
2018	29957.7578125
2019	31132.7109375