Year	National currency per current international dollar (Units)
1980	5.685
1981	5.730
1982	5.971
1983	6.374
1984	6.803
1985	7.189
1986	7.725
1987	7.920
1988	8.066
1989	8.541
1990	9.132
1991	9.901
1992	11.273
1993	13.805
1994	15.253
1995	16.663
1996	19.755
1997	21.629
1998	22.417
1999	22.711
2000	23.470
2001	23.381
2002	23.377
2003	24.136
2004	24.953
2005	25.222
2006	24.876
2007	26.185
2008	29.459
2009	32.686
2010	32.823
2011	35.396
2012	37.979
2013	37.668
2014	38.289
2015	39.040
2016	39.385
2017	40.185
2018	40.932
2019	41.977
2020	43.477
2021	43.375
2022	42.957
2023	44.480
2024	46.406
2025	48.150
2026	49.810
2027	51.259
2028	52.826
2029	54.442