Year	National Currency Units per US Dollar
1963-01-01	130.000000000000
1964-01-01	208.750000000000
1965-01-01	266.250000000000
1966-01-01	271.250000000000
1967-01-01	270.500000000000
1968-01-01	276.750000000000
1969-01-01	288.000000000000
1970-01-01	310.750000000000
1971-01-01	347.000000000000
1972-01-01	392.750000000000
1973-01-01	398.296775154446
1974-01-01	404.472498575846
1975-01-01	484.000000000000
1976-01-01	484.000000000000
1977-01-01	484.000000000000
1978-01-01	484.000000000000
1979-01-01	484.000000000000
1980-01-01	607.446076650468
1981-01-01	681.028325398763
1982-01-01	731.084172566732
1983-01-01	775.757587977818
1984-01-01	806.576538018744
1985-01-01	870.902819864688
1986-01-01	881.044965635354
1987-01-01	825.043883408716
1988-01-01	730.011780462289
1989-01-01	669.168622833806
1990-01-01	707.995120038504
1991-01-01	733.229307384494
1992-01-01	780.012268753171
1993-01-01	802.436065409566
1994-01-01	804.268267716121
1995-01-01	771.397991116274
1996-01-01	804.420160214616
1997-01-01	950.507427094581
1998-01-01	1400.476983342740
1999-01-01	1186.705805257540
2000-01-01	1130.639790764790
2001-01-01	1290.409596064160
2002-01-01	1251.045127727920
2003-01-01	1190.958740346010
2004-01-01	1145.196527542500
2005-01-01	1024.225704961100
2006-01-01	954.748043321413
2007-01-01	929.450355260681
2008-01-01	1100.861839277870
2009-01-01	1274.946799203210
2010-01-01	1155.431262704690
2011-01-01	1107.302366247880
2012-01-01	1125.934843787250
2013-01-01	1094.925605378320
2014-01-01	1053.064348375060
2015-01-01	1131.309288459130
2016-01-01	1160.589401781790
2017-01-01	1130.634986824770