Year	National currency, Monthly Level
1960-01-01	1178038186.8231200
1961-01-01	1350534791.1190100
1962-01-01	1508570602.2403900
1963-01-01	1631487344.2236898
1964-01-01	1923801949.1083400
1965-01-01	2323539589.0036000
1966-01-01	2594679461.0255800
1967-01-01	2810558444.8449903
1968-01-01	3287764619.6036696
1969-01-01	3785629070.3259397
1970-01-01	4262318788.1855297
1971-01-01	4835585946.1748600
1972-01-01	5585481363.6528000
1973-01-01	6698962438.0897290
1974-01-01	10165421144.7783990
1975-01-01	11754042566.3776000
1976-01-01	16097961544.6192990
1977-01-01	20641749342.8085980
1978-01-01	24534284991.2461000
1979-01-01	30948679677.9375000
1980-01-01	34457487850.3514000
1981-01-01	44435951597.6593900
1982-01-01	51256281407.0352000
1983-01-01	57081915228.7646000
1984-01-01	66634704870.7049940
1985-01-01	77313954148.9565000
1986-01-01	75053055617.2435000
1987-01-01	77703176726.3863000
1988-01-01	86338547826.4910900
1989-01-01	99569791403.0585000
1990-01-01	105106725818.1970000
1991-01-01	108322186471.9280100
1992-01-01	113329752565.5000000
1993-01-01	137487540477.3090200
1994-01-01	159071823660.9560000
1995-01-01	178718600000.0000000
1996-01-01	198695000000.0000000
1997-01-01	211998300000.0000000
1998-01-01	219251500000.0000000
1999-01-01	221020400000.0000000
2000-01-01	260413300000.0000000
2001-01-01	272989600000.0000000
2002-01-01	269063400000.0000000
2003-01-01	264615799999.9999700
2004-01-01	284413400000.0000000
2005-01-01	299923400000.0000000
2006-01-01	332013000000.0000000
2007-01-01	364743900000.0000000
2008-01-01	369015700000.0000000
2009-01-01	291733100000.0000000
2010-01-01	337407400000.0000000
2011-01-01	375903800000.0000000
2012-01-01	390182000000.0000000
2013-01-01	390232800000.0000000
2014-01-01	398870400000.0000000
2015-01-01	412291300000.0000000
2016-01-01	417268800000.0000000
2017-01-01	448106600000.0000000