Year	Purchasing power parity; 2011 international dollar (Units)
1987	903.423
1988	962.362
1989	965.149
1990	945.03
1991	982.453
1992	1015.35
1993	1019.67
1994	1058.34
1995	1086.32
1996	1117.04
1997	1130.67
1998	1154.29
1999	1271.02
2000	1362.83
2001	1449.88
2002	1516.48
2003	1616.85
2004	1754.86
2005	1956.58
2006	2135.56
2007	2320.75
2008	2441.72
2009	2408.64
2010	2513.06
2011	2646.49
2012	2790.55
2013	2951.57
2014	3115.65
2015	3285.59
2016	3459.20
2017	3646.53
2018	3853.15
2019	4055.61
2020	4264.73
2021	4479.05
2022	4696.05
2023	4914.26
2024	5134.02