Year	National currency per current international dollar (Units)
1980	29.253
1981	29.791
1982	31.602
1983	39.333
1984	43.578
1985	58.024
1986	69.449
1987	85.286
1988	101.081
1989	110.374
1990	130.321
1991	154.148
1992	171.483
1993	187.432
1994	209.563
1995	229.291
1996	236.250
1997	239.980
1998	239.161
1999	240.983
2000	246.391
2001	251.272
2002	255.693
2003	261.525
2004	272.568
2005	283.098
2006	308.545
2007	315.693
2008	310.690
2009	319.833
2010	343.982
2011	348.017
2012	347.228
2013	349.681
2014	367.214
2015	391.361
2016	409.978
2017	411.264
2018	408.447
2019	412.019
2020	445.955
2021	455.889
2022	459.607
2023	472.708
2024	475.267
2025	480.967
2026	486.241
2027	491.444
2028	496.662
2029	501.916