Year	National currency per current international dollar
1980	0.616
1981	0.653
1982	0.727
1983	0.94
1984	1.374
1985	2.467
1986	5.713
1987	10.036
1988	14.872
1989	23.041
1990	30.431
1991	74.91
1992	119.499
1993	149.889
1994	173.874
1995	232.646
1996	400.508
1997	459.842
1998	577.715
1999	712.034
2000	739.029
2001	682.856
2002	645.854
2003	717.331
2004	788.025
2005	891.296
2006	971.741
2007	1010.63
2008	1090.39
2009	1166.33
2010	1350.88
2011	1553.14
2012	1707.39
2013	1794.21
2014	1792.57
2015	2121.99
2016	2221.72
2017	2387.67
2018	2586.26
2019	2824.91
2020	3119.74
2021	3384.87
2022	3633.43
2023	3865.88
2024	4092.60