Year	National currency, Monthly Level
1960-01-01	2100.000000000000
1961-01-01	4500.000000000000
1962-01-01	5600.000000000000
1963-01-01	6200.000000000000
1964-01-01	4900.000000000000
1965-01-01	5200.000000000000
1966-01-01	6400.000000000000
1967-01-01	6200.000000000000
1968-01-01	6900.000000000000
1969-01-01	7275.228000000000
1970-01-01	10347.840000000000
1971-01-01	17726.527000000002
1972-01-01	22344.461000000000
1973-01-01	29791.163000000000
1974-01-01	53111.668000000000
1975-01-01	68993.405000000000
1976-01-01	82930.223000000000
1977-01-01	104854.666000000000
1978-01-01	113273.974000000000
1979-01-01	178494.688000000000
1980-01-01	613292.092000000100
1981-01-01	1002324.548000000000
1982-01-01	1461424.996000000000
1983-01-01	2127081.343000000300
1984-01-01	4034938.927000000000
1985-01-01	5994754.399999999000
1986-01-01	7561156.575999999000
1987-01-01	12353041.217000000000
1988-01-01	20470613.660000000000
1989-01-01	33827597.000000000000
1990-01-01	58813592.000000000000
1991-01-01	88918000.000000000000
1992-01-01	159628300.000000000000
1993-01-01	329022100.000000000000
1994-01-01	683826640.750000000000
1995-01-01	1649154020.940000000000
1996-01-01	3559029759.000000000000
1997-01-01	7419624416.200000000000
1998-01-01	11898371329.900000000000
1999-01-01	17185041880.699997000000
2000-01-01	34227081874.000000000000
2001-01-01	50550213196.000000000000
2002-01-01	78389702304.000000000000
2003-01-01	103424769217.000000000000
2004-01-01	139676715235.000000000000
2005-01-01	157380960970.000000000000
2006-01-01	201077837690.000000000000
2007-01-01	221028769280.000000000000
2008-01-01	258691206790.000030000000
2009-01-01	217677724830.000000000000
2010-01-01	278668205580.000000000000
2011-01-01	403813480070.000000000000
2012-01-01	426229492960.000000000000
2013-01-01	479228041280.000000000000
2014-01-01	529625047480.000060000000
2015-01-01	562315556560.000000000000
2016-01-01	600526342180.000000000000
2017-01-01	852983356030.000000000000