Year	Purchasing power parity; 2017 international dollar (Units)
1980	13526.273
1981	13459.564
1982	13918.400
1983	14694.025
1984	15512.582
1985	15427.103
1986	15714.399
1987	15750.400
1988	15589.835
1989	14632.702
1990	13794.959
1991	12029.842
1992	11017.533
1993	11247.448
1994	11761.431
1995	12676.217
1996	13250.367
1997	12514.771
1998	11971.839
1999	11890.513
2000	12239.177
2001	12892.210
2002	14000.051
2003	14464.266
2004	16051.562
2005	16909.928
2006	18375.301
2007	19822.510
2008	22187.291
2009	21163.282
2010	20483.570
2011	21510.189
2012	22036.695
2013	22179.983
2014	23178.184
2015	24002.982
2016	24826.391
2017	27020.780
2018	28811.890
2019	30105.501
2020	29126.824
2021	30993.569
2022	32688.869
2023	33400.041
2024	34482.233
2025	35936.762
2026	37553.458
2027	39253.333
2028	40945.529
2029	42667.105