Year	National currency, Monthly Level
1960-01-01	5165048928.512080
1961-01-01	5434136688.837840
1962-01-01	5469169472.998990
1963-01-01	6083234114.431279
1964-01-01	6768309508.092760
1965-01-01	7579627932.928531
1966-01-01	8202824270.493340
1967-01-01	8571735647.306150
1968-01-01	9575932568.750700
1969-01-01	11828458267.843800
1970-01-01	15280574793.774600
1971-01-01	17586366179.490402
1972-01-01	20348742371.832302
1973-01-01	24771135912.872300
1974-01-01	34014577175.028202
1975-01-01	34627422224.322600
1976-01-01	41655474367.984505
1977-01-01	48773471431.816400
1978-01-01	54516683258.201390
1979-01-01	65242538763.973800
1980-01-01	74784780099.915100
1981-01-01	87912927219.314700
1982-01-01	96511204240.521910
1983-01-01	110162861285.115000
1984-01-01	129599043839.763990
1985-01-01	138139390234.421000
1986-01-01	131640793527.625000
1987-01-01	135515590198.747990
1988-01-01	149512544267.383000
1989-01-01	171327846185.039980
1990-01-01	175958942430.678000
1991-01-01	182181606416.274020
1992-01-01	186601000000.000000
1993-01-01	189256100000.000000
1994-01-01	210649300000.000000
1995-01-01	230244900000.000000
1996-01-01	240605600000.000000
1997-01-01	266431400000.000000
1998-01-01	285999500000.000000
1999-01-01	305428900000.000000
2000-01-01	354710900000.000000
2001-01-01	361075400000.000000
2002-01-01	350802900000.000000
2003-01-01	346569400000.000000
2004-01-01	363458400000.000000
2005-01-01	372500600000.000000
2006-01-01	394925100000.000000
2007-01-01	408326900000.000000
2008-01-01	418983100000.000000
2009-01-01	348035500000.000000
2010-01-01	395087300000.000000
2011-01-01	428500500000.000000
2012-01-01	442643500000.000000
2013-01-01	437150600000.000000
2014-01-01	437376500000.000000
2015-01-01	456369400000.000000
2016-01-01	453306300000.000000
2017-01-01	473597900000.000000