Year	Purchasing power parity; 2017 international dollar (Units)
1980	6286.858
1981	6361.643
1982	6136.678
1983	5693.749
1984	5428.120
1985	5413.995
1986	5459.447
1987	5229.458
1988	5240.191
1989	5183.969
1990	4926.215
1991	4738.173
1992	4547.272
1993	4131.011
1994	4017.705
1995	4121.812
1996	4334.262
1997	4424.158
1998	4482.090
1999	4427.978
2000	4215.844
2001	4103.623
2002	3923.017
2003	3762.110
2004	3702.581
2005	3661.613
2006	3613.786
2007	3575.339
2008	3564.337
2009	3577.925
2010	3548.646
2011	3282.420
2012	3537.863
2013	3758.425
2014	3975.277
2015	4206.526
2016	4382.895
2017	4576.890
2018	4665.104
2019	4840.268
2020	4738.693
2021	4932.320
2022	5124.276
2023	5290.701
2024	5477.962
2025	5666.526
2026	5856.071
2027	6040.570
2028	6225.009
2029	6415.080
