Year	Purchasing power parity; 2017 international dollar (Units)
1980	20186.340
1981	19334.152
1982	19272.795
1983	16896.360
1984	17293.483
1985	16970.144
1986	17786.242
1987	18183.764
1988	18894.442
1989	15876.527
1990	16357.288
1991	17526.407
1992	18161.140
1993	17801.821
1994	17001.451
1995	17293.123
1996	16895.469
1997	17608.971
1998	17314.461
1999	15961.479
2000	16006.173
2001	16276.733
2002	14594.517
2003	13247.265
2004	15422.433
2005	16748.656
2006	18118.971
2007	19405.512
2008	20122.821
2009	19189.240
2010	18626.208
2011	19122.778
2012	19908.776
2013	19891.126
2014	18850.658
2015	17439.051
2016	14423.283
2017	12271.362
2018	10384.299
2019	7804.256
2020	5437.238
2021	5564.190
2022	6158.672
2023	6495.998
2024	6776.652
2025	6923.040