Year	National currency per current international dollar
1980	1.205
1981	1.199
1982	1.209
1983	1.267
1984	1.353
1985	1.445
1986	1.57
1987	0.758
1988	0.479
1989	0.431
1990	0.531
1991	0.547
1992	0.534
1993	0.829
1994	3.052
1995	4.234
1996	4.573
1997	5.067
1998	5.72
1999	6.035
2000	6.556
2001	7.162
2002	7.755
2003	9.662
2004	11.432
2005	13.035
2006	14.516
2007	15.273
2008	16.914
2009	17.407
2010	18.145
2011	19.108
2012	19.74
2013	20.678
2014	21.209
2015	22.428
2016	24.84
2017	27.633
2018	30.485
2019	34.428
2020	38.092
2021	41.88
2022	45.728
2023	49.604
2024	53.556