Year	National currency per current international dollar
1980	4.253
1981	4.327
1982	4.415
1983	4.472
1984	4.783
1985	4.797
1986	4.817
1987	4.943
1988	5.293
1989	5.531
1990	5.71
1991	6.241
1992	6.724
1993	7.115
1994	7.818
1995	8.711
1996	9.118
1997	10.095
1998	10.636
1999	11.043
2000	11.134
2001	11.757
2002	11.872
2003	12.187
2004	12.773
2005	13.101
2006	14.094
2007	14.625
2008	15.732
2009	19.304
2010	20.951
2011	24.346
2012	25.233
2013	26.708
2014	28.323
2015	29.364
2016	29.431
2017	30.131
2018	30.135
2019	31.556
2020	32.7
2021	33.616
2022	34.607
2023	35.592
2024	36.623