Year	Purchasing power parity; 2011 international dollar (Units)
1980	13803.44
1981	13984.06
1982	8872.97
1983	10888.01
1984	15730.91
1985	19333.80
1986	17758.23
1987	20502.05
1988	14559.24
1989	8325.75
1990	7131.09
1991	9678.10
1992	9864.42
1993	10267.48
1994	10816.80
1995	11295.98
1996	11608.33
1997	12701.32
1998	13106.42
1999	12825.73
2000	12651.56
2001	12657.91
2002	12482.77
2003	12082.34
2004	12444.52
2005	12390.19
2006	12382.05
2007	13442.19
2008	14597.63
2009	15788.41
2010	16451.76
2011	15693.69
2012	15044.97
2013	14386.47
2014	13801.69
2015	13271.12
2016	13135.81
2017	13043.96
2018	13052.64
2019	13282.45
2020	13645.22
2021	14133.09
2022	14746.12
2023	15446.32
2024	16207.33