Year	National currency per current international dollar (Units)
1980	91.179
1981	141.112
1982	142.608
1983	147.279
1984	166.768
1985	152.124
1986	133.556
1987	123.683
1988	128.740
1989	122.891
1990	118.062
1991	106.194
1992	99.176
1993	92.491
1994	136.355
1995	148.299
1996	162.477
1997	165.765
1998	174.986
1999	159.478
2000	164.195
2001	182.735
2002	183.372
2003	179.926
2004	192.303
2005	229.468
2006	244.522
2007	245.665
2008	258.409
2009	238.552
2010	246.308
2011	258.131
2012	285.354
2013	308.420
2014	300.386
2015	252.075
2016	246.884
2017	243.655
2018	247.102
2019	234.078
2020	226.697
2021	231.628
2022	241.192
2023	231.500
2024	232.671
2025	232.424
2026	234.651
2027	237.509
2028	240.630
2029	243.908