Year	National currency per current international dollar
1980	0.18
1981	0.176
1982	0.183
1983	0.198
1984	0.199
1985	0.209
1986	0.217
1987	0.29
1988	0.322
1989	0.376
1990	0.443
1991	0.485
1992	0.592
1993	0.634
1994	0.664
1995	0.726
1996	0.764
1997	0.795
1998	0.817
1999	0.812
2000	0.834
2001	0.831
2002	0.838
2003	0.878
2004	0.955
2005	0.984
2006	1.025
2007	1.124
2008	1.237
2009	1.365
2010	1.486
2011	1.625
2012	1.812
2013	1.915
2014	2.09
2015	2.274
2016	2.39
2017	2.883
2018	3.423
2019	3.849
2020	4.229
2021	4.479
2022	4.705
2023	4.932
2024	5.169