Year	Purchasing power parity; 2011 international dollar (Units)
1980	1717.18
1981	1766.89
1982	1794.90
1983	1807.93
1984	1864.70
1985	1843.02
1986	1821.59
1987	1794.02
1988	1785.11
1989	1673.27
1990	1710.14
1991	1578.29
1992	1676.38
1993	1690.76
1994	1568.14
1995	1590.87
1996	1536.81
1997	1568.20
1998	1553.19
1999	1550.06
2000	1539.24
2001	1557.32
2002	1588.12
2003	1593.47
2004	1552.39
2005	1578.59
2006	1559.21
2007	1527.17
2008	1502.98
2009	1491.41
2010	1483.43
2011	1476.61
2012	1480.35
2013	1492.15
2014	1481.26
2015	1457.24
2016	1449.53
2017	1449.64
2018	1450.53
2019	1451.89
2020	1454.71
2021	1460.39
2022	1468.94
2023	1478.96
2024	1489.04