Year	National currency, Monthly Level
1960-01-01	-2184448419.3883400
1961-01-01	-2333017590.2279300
1962-01-01	-3214692612.1734100
1963-01-01	-1513500336.3827600
1964-01-01	-3498406246.6815400
1965-01-01	-3489352283.3400700
1966-01-01	-3824881631.6374097
1967-01-01	-4268838570.8510895
1968-01-01	-4368690554.9154400
1969-01-01	-5946484807.9913100
1970-01-01	-7850134190.4779490
1971-01-01	-6916009741.6750300
1972-01-01	-4685442439.5746200
1973-01-01	-9360767835.2378800
1974-01-01	-13587868954.8209000
1975-01-01	-9575722472.6598800
1976-01-01	-16638088832.6362000
1977-01-01	-19329353470.4116020
1978-01-01	-15594393832.6101000
1979-01-01	-19866800517.4377980
1980-01-01	-14220908760.2047000
1981-01-01	-10468961231.1687010
1982-01-01	-12777144004.2825000
1983-01-01	-2028916960.0686200
1984-01-01	-6207635350.2866600
1985-01-01	-11898052993.4773000
1986-01-01	-13242394220.6768000
1987-01-01	1571155349.5841699
1988-01-01	8641558952.7134300
1989-01-01	11181450339.1073990
1990-01-01	23339019103.9834000
1991-01-01	24333569258.0408000
1992-01-01	37132410569.2710000
1993-01-01	44371223447.1847000
1994-01-01	41358306894.0741960
1995-01-01	31802114782.2609020
1996-01-01	37526772085.5182000
1997-01-01	31318300000.0000000
1998-01-01	17137799999.9999980
1999-01-01	40647700000.0000000
2000-01-01	49272900000.0000000
2001-01-01	57733100000.0000000
2002-01-01	57631500000.0000000
2003-01-01	59629400000.0000000
2004-01-01	51731900000.0000000
2005-01-01	57432200000.0000000
2006-01-01	40601400000.0000000
2007-01-01	24927100000.0000000
2008-01-01	35571800000.0000000
2009-01-01	64213800000.0000100
2010-01-01	74749400000.0000000
2011-01-01	89994000000.0000000
2012-01-01	85908900000.0000000
2013-01-01	73052800000.0000000
2014-01-01	66375200000.0000100
2015-01-01	64617400000.0000000
2016-01-01	68183499999.9999900
2017-01-01	61555400000.0000000