Year	Purchasing power parity; 2017 international dollar (Units)
1980	4000.066
1981	3981.663
1982	3955.522
1983	3928.875
1984	3901.757
1985	3874.199
1986	3846.231
1987	3817.882
1988	4514.924
1989	5152.220
1990	5047.707
1991	5076.350
1992	5145.327
1993	5065.899
1994	4854.457
1995	4912.427
1996	4950.046
1997	4800.738
1998	5119.750
1999	4801.519
2000	5164.860
2001	4734.399
2002	4670.444
2003	4563.773
2004	4402.616
2005	4638.200
2006	4824.098
2007	4342.193
2008	4465.600
2009	4788.980
2010	5050.279
2011	4996.919
2012	5343.555
2013	5179.324
2014	5396.653
2015	5082.196
2016	4714.439
2017	4345.519
2018	4144.949
2019	4093.991
2020	3748.933
2021	3701.799
2022	3681.652
2023	3725.801
2024	3784.940
2025	3800.915
2026	3835.959
2027	3876.219
2028	3919.555
2029	3965.813