Year	Purchasing power parity; 2017 international dollar (Units)
1980	2754.676
1981	2863.255
1982	2975.637
1983	3038.806
1984	3208.663
1985	3334.918
1986	3443.600
1987	3459.181
1988	3517.236
1989	3560.431
1990	3742.201
1991	4097.474
1992	3924.019
1993	4173.167
1994	4466.243
1995	4697.962
1996	5233.653
1997	5739.874
1998	5616.914
1999	5748.079
2000	6193.992
2001	6030.265
2002	6205.524
2003	6518.903
2004	6816.027
2005	7182.992
2006	7674.517
2007	8135.801
2008	8558.664
2009	8800.104
2010	9440.671
2011	10190.349
2012	11055.633
2013	11414.165
2014	12029.374
2015	12420.551
2016	12904.854
2017	13584.193
2018	13753.052
2019	13639.020
2020	12939.440
2021	13250.629
2022	12083.252
