Year	Purchasing power parity; 2017 international dollar (Units)
1980	16489.864
1981	16923.346
1982	17184.070
1983	17270.735
1984	17025.197
1985	17256.532
1986	17813.219
1987	19177.929
1988	20223.041
1989	21599.090
1990	23347.489
1991	24189.956
1992	24966.529
1993	24764.619
1994	25065.860
1995	25555.578
1996	26352.035
1997	27388.982
1998	28561.191
1999	29509.662
2000	30421.133
2001	30794.540
2002	30862.493
2003	30460.708
2004	30931.335
2005	31115.600
2006	31564.123
2007	32291.786
2008	32348.237
2009	31308.654
2010	31837.939
2011	31343.851
2012	30194.561
2013	30080.446
2014	30482.572
2015	31157.635
2016	31887.220
2017	33086.048
2018	34083.355
2019	34989.250
2020	32051.311
2021	33898.463
2022	36197.765
2023	36986.256
2024	37589.413
2025	38327.654
2026	39193.412
2027	40051.222
2028	40915.760
2029	41776.713