Year	constant 2011 PPP $
1991	26948.2854781543
1992	26885.6535372518
1993	27136.9200568286
1994	27755.9601470974
1995	27607.2380252116
1996	28196.7832045346
1997	28631.9921129857
1998	28669.2193639137
1999	28293.3790301596
2000	28708.0793582877
2001	28075.0764543064
2002	27532.2889940426
2003	27422.7628505867
2004	28060.550265977
2005	28482.4876285676
2006	29126.5333238889
2007	30101.0626274251
2008	30568.654176937
2009	29570.1700676284
2010	30817.2969819756
2011	31626.3791849271
2012	31630.2717427422
2013	32066.9260697805
2014	31964.1452003801
2015	31604.3006372676
2016	31340.9174629282
2017	31317.3676216634
2018	31511.749678675
2019	31975.5166401669