Year	Purchasing power parity; 2017 international dollar (Units)
1980	3889.407
1981	4017.595
1982	3936.704
1983	3781.277
1984	3742.361
1985	3684.313
1986	4220.948
1987	4488.410
1988	4671.360
1989	4952.594
1990	5282.569
1991	5230.277
1992	5263.739
1993	5300.591
1994	5308.744
1995	5449.571
1996	5547.206
1997	5612.988
1998	5704.722
1999	5818.069
2000	5865.548
2001	5872.926
2002	6074.325
2003	6253.061
2004	6421.699
2005	6746.566
2006	7087.983
2007	7337.870
2008	7344.231
2009	7405.188
2010	7630.897
2011	7746.720
2012	8106.948
2013	8360.752
2014	8379.007
2015	8506.237
2016	8537.410
2017	8650.839
2018	8769.915
2019	8917.731
2020	8685.709
2021	9511.855
2022	9455.995
2023	9836.080
2024	10091.924
2025	10311.256
2026	10527.886
2027	10753.123
2028	10951.747
2029	11129.566