Year	National currency, Monthly Level
1960-01-01	-43613460.164557606
1961-01-01	-43705665.183908400
1962-01-01	-39933786.094197300
1963-01-01	-45152242.159271600
1964-01-01	-51460843.850420300
1965-01-01	-70391427.620509400
1966-01-01	-71512812.292878200
1967-01-01	-61215018.161215500
1968-01-01	-81002207.721030800
1969-01-01	-92695027.564090090
1970-01-01	-116565723.352377000
1971-01-01	-124936605.925382000
1972-01-01	-129342989.535535990
1973-01-01	-179526721.584601000
1974-01-01	-205668411.495760020
1975-01-01	-286616078.483612000
1976-01-01	-371248615.701465000
1977-01-01	-441329906.646572000
1978-01-01	-476857146.831214000
1979-01-01	-622375832.343224000
1980-01-01	-672912675.219515100
1981-01-01	-733655692.041479000
1982-01-01	-1125152085.962880100
1983-01-01	-1281605794.100750000
1984-01-01	-1474579280.789150000
1985-01-01	-2208479248.340080300
1986-01-01	-2391436032.978719700
1987-01-01	-2587422705.312440000
1988-01-01	-2942266249.262630000
1989-01-01	-4120122346.471680000
1990-01-01	-5425543227.902260000
1991-01-01	-6853514073.331730000
1992-01-01	-7634739966.383950000
1993-01-01	-11521800000.000000000
1994-01-01	-10236900000.000000000
1995-01-01	-11346400000.000000000
1996-01-01	-12991300000.000000000
1997-01-01	-13774800000.000000000
1998-01-01	-17356700000.000000000
1999-01-01	-18066800000.000000000
2000-01-01	-23647600000.000000000
2001-01-01	-24126800000.000000000
2002-01-01	-26295700000.000000000
2003-01-01	-29847300000.000000000
2004-01-01	-31608500000.000000000
2005-01-01	-31580000000.000000000
2006-01-01	-36515800000.000000000
2007-01-01	-42507600000.000000000
2008-01-01	-44342200000.000000000
2009-01-01	-35146700000.000000000
2010-01-01	-30717800000.000000000
2011-01-01	-24538900000.000000000
2012-01-01	-21848600000.000000000
2013-01-01	-19737600000.000000000
2014-01-01	-21100300000.000000000
2015-01-01	-17564900000.000000000
2016-01-01	-18721300000.000000000
2017-01-01	-21441200000.000000000