Year	Purchasing power parity; 2017 international dollar (Units)
1980	4069.434
1981	3895.028
1982	3699.534
1983	3620.774
1984	3734.089
1985	3825.556
1986	3912.124
1987	4050.291
1988	4000.952
1989	3994.258
1990	3990.030
1991	3749.176
1992	3866.117
1993	4002.964
1994	3899.723
1995	4024.988
1996	3984.573
1997	4049.980
1998	4077.549
1999	3935.724
2000	4108.772
2001	4109.773
2002	4154.923
2003	4235.629
2004	4390.473
2005	4546.252
2006	4733.549
2007	4914.322
2008	5011.623
2009	4787.864
2010	4866.978
2011	4956.402
2012	5065.461
2013	5113.461
2014	5177.412
2015	5283.410
2016	5394.330
2017	5557.931
2018	5671.990
2019	5721.952
2020	5119.061
2021	5661.241
2022	5785.928
2023	5885.050
2024	5991.654
2025	6108.432
2026	6231.088
2027	6364.780
2028	6498.838
2029	6638.274