Year	National currency per current international dollar (Units)
1980	3.210
1981	2.870
1982	2.706
1983	2.602
1984	2.430
1985	2.443
1986	2.339
1987	2.282
1988	2.204
1989	2.122
1990	2.045
1991	2.681
1992	9.165
1993	19.233
1994	25.803
1995	27.760
1996	31.241
1997	34.165
1998	36.060
1999	36.304
2000	37.505
2001	38.077
2002	38.862
2003	40.091
2004	40.271
2005	40.338
2006	40.101
2007	40.756
2008	41.632
2009	42.378
2010	43.750
2011	43.858
2012	43.655
2013	44.114
2014	42.894
2015	42.694
2016	42.390
2017	41.231
2018	40.901
2019	40.732
2020	40.481
2021	40.043
2022	41.105
2023	41.378
2024	41.771
2025	42.289
2026	42.736
2027	43.188
2028	43.642
2029	44.113