Year	Purchasing power parity; 2017 international dollar (Units)
1998	3833.208
1999	3791.991
2000	3965.748
2001	4235.997
2002	4449.639
2003	4653.331
2004	4767.017
2005	5051.688
2006	5126.536
2007	5118.313
2008	5264.897
2009	5200.260
2010	5292.075
2011	5451.065
2012	5202.666
2013	5163.924
2014	5167.668
2015	5322.124
2016	5697.768
2017	5728.387
2018	5600.582
2019	5733.054
2020	5622.271
2021	5182.449
2022	4868.279
2023	5165.647
2024	5366.885
2025	5474.930
2026	5544.288
2027	5586.467
2028	5619.523
2029	5652.775