Year	constant 2011 PPP $
1991	3940.77731617967
1992	3869.71573663291
1993	3819.37348984482
1994	3721.26734607499
1995	3809.75300332191
1996	3885.84839706555
1997	3939.31491483138
1998	3984.07924331889
1999	4029.72395078082
2000	4089.35255951638
2001	4176.36268514563
2002	4277.56243753172
2003	4377.73469419541
2004	4525.35939383725
2005	4708.85546120547
2006	4896.66475880106
2007	5131.22046236877
2008	5336.43884025429
2009	5506.29547466577
2010	5702.35619810157
2011	5798.20579239759
2012	5885.44750784937
2013	6048.81434622424
2014	6222.34622066593
2015	6281.78436902275
2016	6372.71671975237
2017	6511.64419069803
2018	6700.47006769225
2019	6903.00975676491