Year	constant 2011 PPP $
1991	3328.31633496429
1992	3177.95683584216
1993	3069.27621971953
1994	2984.9979596705
1995	3059.72523713493
1996	3104.89528645834
1997	3122.35285057919
1998	3139.11159604189
1999	3136.44119549233
2000	3139.17200531617
2001	3191.4634798917
2002	3272.912418983
2003	3296.41542833239
2004	3394.1721743768
2005	3510.34150842189
2006	3596.96143581752
2007	3727.60534099383
2008	3838.06589460282
2009	3950.93927609774
2010	4093.35645588253
2011	4108.56431783991
2012	4051.23996619122
2013	4099.06969855222
2014	4189.61165451419
2015	4090.51251963462
2016	4024.46931162604
2017	4066.17359185971
2018	4141.11882714086
2019	4225.72406975827