Year	National currency, Monthly Level
1960-01-01	7812733980.423921
1961-01-01	8463908590.513270
1962-01-01	8784277423.072910
1963-01-01	9802106447.763090
1964-01-01	11593176960.670900
1965-01-01	12256603636.594700
1966-01-01	13170516991.800200
1967-01-01	13695086921.600399
1968-01-01	15264712689.056200
1969-01-01	18130334753.665400
1970-01-01	22055987403.061200
1971-01-01	24441056218.831000
1972-01-01	25519691792.477200
1973-01-01	31139759768.753600
1974-01-01	40981345095.316500
1975-01-01	40766707053.105896
1976-01-01	48765490922.126800
1977-01-01	51849381270.675400
1978-01-01	52702941857.140900
1979-01-01	62024495056.064600
1980-01-01	70410807229.626400
1981-01-01	75795363273.752000
1982-01-01	77892735432.520600
1983-01-01	78541641141.529500
1984-01-01	90266868145.082600
1985-01-01	97556393536.354600
1986-01-01	83973390328.128510
1987-01-01	83878550262.965600
1988-01-01	89098384088.650500
1989-01-01	100279528613.112000
1990-01-01	104236945877.634000
1991-01-01	107348063039.148000
1992-01-01	107363037786.278990
1993-01-01	104842742466.114000
1994-01-01	116366944833.939000
1995-01-01	126622100000.000000
1996-01-01	150362500000.000000
1997-01-01	168187500000.000000
1998-01-01	174508000000.000000
1999-01-01	193433500000.000000
2000-01-01	236321900000.000000
2001-01-01	232958600000.000000
2002-01-01	231878600000.000000
2003-01-01	234003200000.000000
2004-01-01	256989100000.000000
2005-01-01	292438100000.000000
2006-01-01	331978800000.000000
2007-01-01	359442800000.000000
2008-01-01	394980200000.000000
2009-01-01	317717800000.000000
2010-01-01	386833800000.000000
2011-01-01	426987200000.000000
2012-01-01	456823600000.000000
2013-01-01	444015700000.000000
2014-01-01	443688500000.000000
2015-01-01	461797100000.000000
2016-01-01	453518700000.000000
2017-01-01	509211600000.000000