Year	National currency per current international dollar (Units)
1980	0.632
1981	0.619
1982	0.627
1983	0.643
1984	0.770
1985	1.033
1986	1.108
1987	1.237
1988	1.715
1989	2.040
1990	2.959
1991	4.529
1992	4.674
1993	4.794
1994	5.169
1995	5.552
1996	5.652
1997	6.081
1998	6.405
1999	6.558
2000	6.875
2001	7.130
2002	7.506
2003	9.824
2004	13.888
2005	14.244
2006	14.736
2007	15.443
2008	16.725
2009	17.204
2010	17.923
2011	18.976
2012	20.189
2013	20.887
2014	21.359
2015	21.151
2016	20.819
2017	21.613
2018	22.000
2019	22.183
2020	22.928
2021	23.628
2022	24.439
2023	24.708
2024	25.147
2025	25.692
2026	26.219
2027	26.755
2028	27.302
2029	27.854