Year	Purchasing power parity; 2011 international dollar (Units)
1980	4265.31
1981	4529.42
1982	5061.48
1983	5407.99
1984	5555.17
1985	5769.77
1986	6044.36
1987	6698.56
1988	7975.92
1989	8055.19
1990	8447.67
1991	8714.84
1992	8451.18
1993	8551.48
1994	8262.76
1995	8624.88
1996	8913.73
1997	9415.65
1998	9287.55
1999	9993.33
2000	10019.49
2001	9895.27
2002	10358.58
2003	10707.28
2004	10865.76
2005	11218.92
2006	11995.89
2007	12809.70
2008	13419.40
2009	12225.16
2010	13104.31
2011	13596.16
2012	13943.88
2013	15239.71
2014	15578.83
2015	15032.68
2016	15393.52
2017	15552.03
2018	15969.38
2019	16291.54
2020	16650.08
2021	16999.05
2022	17394.71
2023	18006.55
2024	18361.40