Year	constant 2011 PPP $
1991	17032.587890625
1992	17324.048828125
1993	16937.451171875
1994	17067.888671875
1995	17029.259765625
1996	17112.109375
1997	17346
1998	17786.662109375
1999	17834.03515625
2000	18594.814453125
2001	18933.755859375
2002	19349.16015625
2003	19650.234375
2004	19958.89453125
2005	20547.37890625
2006	20657.095703125
2007	20744.271484375
2008	20935.7734375
2009	21455.361328125
2010	22611.12109375
2011	19474.005859375
2012	19666.015625
2013	20333.505859375
2014	19941.4609375
2015	12021.1171875
2016	7502.10791015625
2017	6177.98095703125
2018	5929.8232421875
2019	5703.23779296875