Year	Purchasing power parity; 2011 international dollar (Units)
1980	13545.63
1981	14362.67
1982	13970.96
1983	13194.19
1984	13359.01
1985	13372.44
1986	12702.36
1987	12669.33
1988	12584.78
1989	12848.81
1990	12991.23
1991	13299.55
1992	13541.08
1993	13688.80
1994	14140.62
1995	13049.76
1996	13732.18
1997	14471.96
1998	15021.35
1999	15246.01
2000	15810.87
2001	15557.81
2002	15356.78
2003	15385.21
2004	15802.54
2005	15986.25
2006	16511.03
2007	16677.30
2008	16638.92
2009	15542.48
2010	16137.35
2011	16522.06
2012	16923.30
2013	16958.13
2014	17241.74
2015	17618.41
2016	17945.16
2017	18131.98
2018	18312.76
2019	18434.52
2020	18619.48
2021	18888.82
2022	19220.02
2023	19580.32
2024	19951.96