Year	Purchasing power parity; 2011 international dollar (Units)
1980	27652.32
1981	26348.52
1982	27369.02
1983	28577.65
1984	28624.58
1985	29412.86
1986	29666.11
1987	30250.91
1988	30301.81
1989	30476.30
1990	30286.52
1991	28534.91
1992	26974.03
1993	26594.40
1994	26962.78
1995	27572.80
1996	28251.17
1997	29154.98
1998	30030.98
1999	31659.43
2000	32451.97
2001	32811.81
2002	33213.87
2003	32334.81
2004	32176.06
2005	32828.91
2006	33246.84
2007	33325.35
2008	32171.61
2009	30477.73
2010	30604.96
2011	30452.46
2012	31045.72
2013	30576.84
2014	30194.39
2015	30172.95
2016	29335.56
2017	29428.53
2018	29772.90
2019	30062.41
2020	30206.08
2021	30320.57
2022	30435.49
2023	30550.85
2024	30666.64