Year	constant 2011 PPP $
1991	6972.83110698494
1992	7068.84173334689
1993	7135.60519257334
1994	7105.62182581482
1995	7160.65345879279
1996	7371.31131555223
1997	7697.47208556721
1998	8235.57822150978
1999	8527.64814107229
2000	8520.69536577539
2001	8582.39086929655
2002	8489.3297553435
2003	7867.36896310223
2004	8817.68421393721
2005	9206.54405841294
2006	9655.26150692289
2007	9980.90425124422
2008	10345.9482770493
2009	10670.1044056014
2010	11110.5232622547
2011	10358.4742910842
2012	11229.8082304847
2013	11319.6808796677
2014	11169.8683132684
2015	11081.2173397384
2016	11276.8586792892
2017	11309.1831979486
2018	11503.2353576734
2019	11718.9656920259