Year	Purchasing power parity; 2011 international dollar (Units)
1980	2579.16
1981	2662.35
1982	2693.82
1983	2580.17
1984	2326.33
1985	2248.85
1986	2404.81
1987	2490.49
1988	2549.80
1989	2521.87
1990	2329.78
1991	2420.13
1992	2480.38
1993	2475.21
1994	2489.62
1995	2807.18
1996	2893.31
1997	3005.51
1998	3187.72
1999	3257.14
2000	3450.79
2001	3729.85
2002	3854.78
2003	3987.46
2004	4086.02
2005	4215.75
2006	4377.29
2007	4511.04
2008	4565.85
2009	4326.99
2010	4380.05
2011	5230.11
2012	4044.28
2013	3997.31
2014	4057.71
2015	4012.06
2016	4008.61
2017	3956.98
2018	3761.81
2019	3570.95
2020	3436.73
2021	3327.40
2022	3271.47
2023	3222.70
2024	3188.36