Year	National currency per current international dollar (Units)
1980	151.803
1981	153.934
1982	159.136
1983	167.342
1984	174.096
1985	183.934
1986	190.649
1987	183.080
1988	174.363
1989	170.329
1990	164.155
1991	157.634
1992	152.690
1993	148.577
1994	193.447
1995	203.831
1996	210.554
1997	214.128
1998	219.628
1999	220.278
2000	218.217
2001	228.340
2002	229.129
2003	222.619
2004	216.497
2005	219.825
2006	219.402
2007	227.689
2008	241.740
2009	236.200
2010	237.108
2011	241.276
2012	245.600
2013	247.212
2014	243.618
2015	242.595
2016	244.658
2017	246.787
2018	239.234
2019	240.194
2020	240.547
2021	234.055
2022	237.486
2023	241.278
2024	244.407
2025	244.906
2026	245.226
2027	245.413
2028	248.409
2029	249.353