Year	Purchasing power parity; 2017 international dollar (Units)
2002	1442.769
2003	1506.218
2004	1459.345
2005	1576.698
2006	1611.291
2007	1758.615
2008	1781.227
2009	2093.415
2010	2207.108
2011	2278.485
2012	2513.139
2013	2569.343
2014	2555.967
2015	2506.346
2016	2492.647
2017	2515.553
2018	2392.418
2019	2439.677
2020	2328.757
2021	1945.371
2022	1793.916