Year	National currency per current international dollar (Units)
1980	0.469
1981	0.477
1982	0.515
1983	0.580
1984	0.622
1985	0.700
1986	0.801
1987	0.897
1988	1.000
1989	1.127
1990	1.254
1991	1.403
1992	1.574
1993	1.743
1994	1.874
1995	2.034
1996	2.158
1997	2.294
1998	2.451
1999	2.584
2000	2.759
2001	2.908
2002	3.223
2003	3.363
2004	3.472
2005	3.555
2006	3.658
2007	3.855
2008	4.079
2009	4.405
2010	4.619
2011	4.777
2012	5.108
2013	5.296
2014	5.572
2015	5.825
2016	6.159
2017	6.427
2018	6.534
2019	6.722
2020	6.984
2021	7.111
2022	6.960
2023	7.019
2024	7.163
2025	7.353
2026	7.545
2027	7.738
2028	7.936
2029	8.138