Year	Purchasing power parity; 2011 international dollar (Units)
1990	20729.14
1991	19629.93
1992	16751.66
1993	15282.59
1994	13343.46
1995	12806.99
1996	12362.82
1997	12559.58
1998	11919.49
1999	12716.31
2000	14043.81
2001	14817.68
2002	15587.19
2003	16803.57
2004	18076.77
2005	19286.37
2006	20901.85
2007	22713.25
2008	23916.38
2009	22044.37
2010	23027.33
2011	24175.36
2012	25042.41
2013	25461.95
2014	25610.91
2015	24948.59
2016	25010.07
2017	25417.54
2018	26015.23
2019	26449.16
2020	26921.16
2021	27393.93
2022	27863.22
2023	28368.64
2024	28891.79