Year	National currency per current international dollar (Units)
1980	0.681
1981	0.703
1982	0.749
1983	0.770
1984	0.825
1985	0.875
1986	0.901
1987	0.981
1988	1.106
1989	1.101
1990	1.424
1991	1.477
1992	1.634
1993	1.868
1994	2.340
1995	2.510
1996	2.763
1997	2.946
1998	3.239
1999	3.439
2000	3.549
2001	3.815
2002	4.180
2003	4.356
2004	4.472
2005	4.958
2006	5.235
2007	5.651
2008	5.981
2009	6.342
2010	6.645
2011	7.131
2012	7.505
2013	7.553
2014	7.696
2015	7.881
2016	7.834
2017	7.894
2018	8.324
2019	8.288
2020	8.072
2021	7.293
2022	6.951
2023	6.967
2024	7.042
2025	7.195
2026	7.308
2027	7.413
2028	7.507
2029	7.594