Year	Purchasing power parity; 2011 international dollar (Units)
1980	18353.44
1981	18106.65
1982	18233.32
1983	18448.07
1984	18686.83
1985	19060.95
1986	19658.27
1987	20732.13
1988	21781.46
1989	22825.96
1990	23662.49
1991	24195.88
1992	24321.31
1993	23927.30
1994	24420.13
1995	25367.33
1996	25921.56
1997	26852.63
1998	27954.66
1999	29130.73
2000	30346.58
2001	31395.90
2002	31787.44
2003	32200.61
2004	32705.63
2005	33299.09
2006	34143.43
2007	34744.79
2008	34561.86
2009	33050.66
2010	32917.19
2011	32467.68
2012	31496.32
2013	31073.90
2014	31595.99
2015	32780.85
2016	33827.63
2017	34830.14
2018	35679.30
2019	36278.03
2020	36792.61
2021	37268.33
2022	37728.95
2023	38208.88
2024	38690.37