Year	Purchasing power parity; 2011 international dollar (Units)
1980	5276.67
1981	4911.74
1982	4785.15
1983	4858.92
1984	5017.80
1985	4608.79
1986	4610.71
1987	4679.37
1988	4835.20
1989	4708.09
1990	4427.47
1991	4341.13
1992	3968.62
1993	2928.94
1994	2881.72
1995	3217.45
1996	3546.83
1997	3694.02
1998	3754.67
1999	3724.83
2000	3726.81
2001	3770.44
2002	4160.87
2003	4160.46
2004	4481.71
2005	5005.11
2006	5420.47
2007	5999.89
2008	6475.57
2009	6340.94
2010	6455.39
2011	6484.97
2012	6833.91
2013	6963.60
2014	7086.82
2015	6944.56
2016	6563.18
2017	6351.61
2018	6057.24
2019	5906.90
2020	5900.10
2021	5855.34
2022	5853.15
2023	5898.65
2024	5948.02