Year	Purchasing power parity; 2011 international dollar (Units)
1997	7888.96
1998	8111.94
1999	7152.46
2000	7732.10
2001	8132.11
2002	8714.73
2003	9123.17
2004	9971.73
2005	11017.34
2006	11625.71
2007	12424.63
2008	13183.31
2009	12874.70
2010	13021.06
2011	13387.03
2012	13360.45
2013	13813.95
2014	13660.65
2015	13974.64
2016	14517.27
2017	14893.82
2018	15604.73
2019	16215.54
2020	16931.88
2021	17679.88
2022	18460.92
2023	19276.46
2024	19927.95