Year	constant 2011 PPP $
1991	23691.982421875
1992	22455.767578125
1993	20407.390625
1994	19079.62890625
1995	18260.814453125
1996	18921.9375
1997	19464.84765625
1998	19300.94140625
1999	20048.796875
2000	21937.3046875
2001	24172.3125
2002	25971.07421875
2003	27900.4921875
2004	30188.37109375
2005	32378.099609375
2006	35158.55859375
2007	37464.25
2008	37805.859375
2009	37942.00390625
2010	39732.9765625
2011	42053.01171875
2012	43527.6015625
2013	45604.10546875
2014	46918.296875
2015	47094.5390625
2016	47346.80078125
2017	49018.78515625
2018	50619.109375
2019	52588.8359375