Year	National currency, Monthly Level
1970-01-01	15219290288.845200
1971-01-01	16689661060.100000
1972-01-01	19421242550.959900
1973-01-01	23706736874.520702
1974-01-01	36395983273.293800
1975-01-01	33761511806.414097
1976-01-01	44773209219.506805
1977-01-01	50460777154.600105
1978-01-01	54123822140.780594
1979-01-01	66776938122.468390
1980-01-01	84000323191.916610
1981-01-01	95625932797.424200
1982-01-01	110739423468.306990
1983-01-01	117618228024.093000
1984-01-01	133362095381.252000
1985-01-01	141921955250.115000
1986-01-01	131601004334.126000
1987-01-01	140332521796.398000
1988-01-01	157782141207.427000
1989-01-01	181936620845.574000
1990-01-01	188113702575.016000
1991-01-01	191959533932.863980
1992-01-01	185864000000.000000
1993-01-01	184243700000.000000
1994-01-01	205897900000.000000
1995-01-01	221419500000.000000
1996-01-01	231735400000.000000
1997-01-01	252454400000.000000
1998-01-01	274737000000.000030
1999-01-01	294214700000.000000
2000-01-01	367808900000.000000
2001-01-01	367162200000.000000
2002-01-01	349427700000.000000
2003-01-01	352953800000.000000
2004-01-01	375412700000.000000
2005-01-01	404227900000.000000
2006-01-01	432687000000.000000
2007-01-01	460771500000.000000
2008-01-01	485619600000.000000
2009-01-01	404289200000.000000
2010-01-01	458209300000.000000
2011-01-01	516221700000.000060
2012-01-01	524495199999.999940
2013-01-01	515534300000.000000
2014-01-01	511881900000.000000
2015-01-01	516574700000.000000
2016-01-01	516351000000.000000
2017-01-01	554158800000.000000