Year	Purchasing power parity; 2011 international dollar (Units)
1980	11372.21
1981	10634.17
1982	10466.78
1983	9896.19
1984	10203.75
1985	10784.26
1986	11367.48
1987	11552.43
1988	11371.63
1989	11530.35
1990	10726.64
1991	10655.50
1992	10424.82
1993	10763.46
1994	11213.84
1995	11508.58
1996	11200.81
1997	11402.56
1998	11266.25
1999	11149.56
2000	11470.20
2001	11467.52
2002	11665.96
2003	11654.57
2004	12180.18
2005	12424.51
2006	12772.94
2007	13405.85
2008	13943.42
2009	13784.59
2010	14679.32
2011	15131.51
2012	15290.12
2013	15617.09
2014	15562.72
2015	14880.71
2016	14269.89
2017	14305.86
2018	14359.54
2019	14552.25
2020	14821.22
2021	15053.23
2022	15293.49
2023	15542.18
2024	15799.58
