Year	Purchasing power parity; 2011 international dollar (Units)
1980	10482.34
1981	9954.17
1982	9690.81
1983	9642.77
1984	9998.58
1985	10938.73
1986	10953.58
1987	11010.07
1988	11553.33
1989	12665.77
1990	13543.40
1991	13733.11
1992	14650.80
1993	15396.61
1994	14626.31
1995	14482.76
1996	15698.71
1997	17407.49
1998	17491.56
1999	17472.42
2000	18053.67
2001	17628.22
2002	17513.96
2003	16471.35
2004	16061.21
2005	17427.98
2006	18673.31
2007	20513.64
2008	19630.60
2009	19337.20
2010	19922.73
2011	21553.49
2012	22128.42
2013	23030.83
2014	23702.77
2015	24390.31
2016	25311.44
2017	26463.85
2018	27115.84
2019	27780.92
2020	28460.78
2021	29380.50
2022	30285.97
2023	31159.88
2024	31983.42
