Year	National currency per current international dollar
1980	1.87
1981	1.955
1982	1.876
1983	1.928
1984	1.99
1985	2.018
1986	2.016
1987	2.089
1988	2.287
1989	2.549
1990	3.202
1991	4.875
1992	5.848
1993	6.46
1994	7.98
1995	10.145
1996	12.303
1997	12.941
1998	12.397
1999	13.589
2000	16.256
2001	15.832
2002	15.791
2003	16.794
2004	18.357
2005	20.674
2006	22.186
2007	22.993
2008	26.018
2009	22.932
2010	26.318
2011	30.502
2012	32.162
2013	31.578
2014	30.898
2015	28.598
2016	28.744
2017	29.515
2018	32.004
2019	31.755
2020	32.603
2021	34.259
2022	36.376
2023	39.406
2024	39.233