Year	Purchasing power parity; 2011 international dollar (Units)
1980	8289.49
1981	8837.40
1982	9092.55
1983	8485.72
1984	8519.60
1985	8743.01
1986	8858.64
1987	8513.01
1988	7219.11
1989	7180.34
1990	7604.41
1991	8145.20
1992	8628.69
1993	8910.96
1994	8977.02
1995	8949.09
1996	9413.75
1997	9821.17
1998	10328.75
1999	10515.12
2000	10587.61
2001	10435.42
2002	10460.60
2003	10692.57
2004	11277.94
2005	11863.17
2006	12640.99
2007	13917.79
2008	15020.48
2009	14945.23
2010	15549.15
2011	17020.22
2012	18370.40
2013	19316.15
2014	19970.48
2015	20785.33
2016	21484.50
2017	22290.42
2018	22822.01
2019	23847.13
2020	24807.72
2021	25658.97
2022	26539.42
2023	27450.09
2024	28392.00