Year	Purchasing power parity; 2011 international dollar (Units)
1980	20769.32
1981	21486.50
1982	22043.04
1983	22662.79
1984	23529.34
1985	24606.93
1986	25290.42
1987	26359.83
1988	28029.51
1989	29276.49
1990	30606.86
1991	31527.69
1992	31682.94
1993	31417.11
1994	31641.21
1995	32425.93
1996	33358.03
1997	33636.78
1998	33168.32
1999	33022.46
2000	33874.97
2001	33932.10
2002	33900.67
2003	34355.62
2004	35085.57
2005	35664.00
2006	36172.06
2007	36767.20
2008	36383.68
2009	34451.23
2010	35883.03
2011	35775.30
2012	36389.62
2013	37181.40
2014	37383.29
2015	37882.78
2016	38118.75
2017	38919.57
2018	39313.41
2019	39795.01
2020	40111.72
2021	40480.06
2022	40852.73
2023	41253.44
2024	41666.82