Year	National currency per current international dollar
1980	26.69
1981	32.349
1982	35.629
1983	38.049
1984	44.137
1985	46.298
1986	50.656
1987	58.327
1988	71.545
1989	80.622
1990	92.448
1991	115.874
1992	146.372
1993	210.851
1994	278.593
1995	379.253
1996	478.092
1997	557.958
1998	609.037
1999	793.801
2000	959.525
2001	1100.20
2002	1338.40
2003	1476.25
2004	1777.73
2005	2071.71
2006	2304.08
2007	2758.51
2008	3231.42
2009	3354.45
2010	3842.45
2011	4657.46
2012	5667.30
2013	7550.55
2014	8213.47
2015	8161.45
2016	8202.55
2017	9031.14
2018	11764.02
2019	15766.23
2020	20233.64
2021	25486.23
2022	31645.47
2023	38857.12
2024	47875.56