Year	constant 2011 PPP $
1991	17827.828125
1992	18547.392578125
1993	19184.482421875
1994	18805.0703125
1995	19828.095703125
1996	19927.853515625
1997	20288.32421875
1998	20810.431640625
1999	21248.09765625
2000	21371.79296875
2001	21396.015625
2002	22306.0703125
2003	23536.03125
2004	24105.177734375
2005	24294.5078125
2006	25528.7734375
2007	24734.0390625
2008	26090.361328125
2009	25633.630859375
2010	24633.091796875
2011	24345.03125
2012	24493.490234375
2013	24770.203125
2014	24881.138671875
2015	25393.80078125
2016	25495.833984375
2017	25654.404296875
2018	26223.962890625
2019	26837.591796875