Year	National currency per current international dollar (Units)
1980	0.005
1981	0.009
1982	0.020
1983	0.048
1984	0.222
1985	0.768
1986	1.130
1987	1.314
1988	1.522
1989	1.761
1990	1.976
1991	2.343
1992	2.577
1993	2.806
1994	3.118
1995	3.309
1996	3.549
1997	3.772
1998	3.986
1999	4.172
2000	4.159
2001	4.139
2002	4.270
2003	4.165
2004	4.063
2005	3.980
2006	3.917
2007	3.846
2008	3.823
2009	3.968
2010	3.968
2011	3.945
2012	3.955
2013	3.840
2014	3.940
2015	3.924
2016	3.788
2017	3.745
2018	3.685
2019	3.693
2020	3.680
2021	3.592
2022	3.514
2023	3.521
2024	3.527
2025	3.564
2026	3.585
2027	3.598
2028	3.608
2029	3.615