Year	Purchasing power parity; 2011 international dollar (Units)
1980	21146.35
1981	20567.00
1982	20215.65
1983	19868.83
1984	20162.93
1985	20570.91
1986	20615.27
1987	20076.93
1988	20873.98
1989	21575.98
1990	21442.22
1991	21780.59
1992	21732.58
1993	21254.27
1994	21557.56
1995	21913.92
1996	22429.81
1997	23345.27
1998	24109.44
1999	24724.01
2000	25626.67
2001	26536.85
2002	27445.37
2003	28962.59
2004	30359.91
2005	30459.46
2006	32079.38
2007	33035.60
2008	32850.66
2009	31342.09
2010	29559.66
2011	26850.25
2012	24973.11
2013	24345.39
2014	24697.97
2015	24745.65
2016	24868.57
2017	25279.28
2018	25887.32
2019	26642.83
2020	27354.45
2021	27944.67
2022	28430.85
2023	28931.65
2024	29420.86