Year	National currency, Monthly Level
1960-01-01	-43923697.72560530
1961-01-01	-43207630.22743950
1962-01-01	-39715333.82245050
1963-01-01	-45261922.23037420
1964-01-01	-50761555.39251650
1965-01-01	-70964049.88994860
1966-01-01	-71920763.02274390
1967-01-01	-60839325.01834190
1968-01-01	-81476155.53925160
1969-01-01	-91603815.11371970
1970-01-01	-115847395.45121100
1971-01-01	-126356566.39765200
1972-01-01	-129845928.09978000
1973-01-01	-175891415.99413100
1974-01-01	-209100513.57300100
1975-01-01	-287160674.98165800
1976-01-01	-375961848.86280300
1977-01-01	-442606016.14086600
1978-01-01	-481297138.66471004
1979-01-01	-623865003.66837910
1980-01-01	-680184886.28026400
1981-01-01	-750802641.23257500
1982-01-01	-1114124724.87161000
1983-01-01	-1332140865.73734000
1984-01-01	-1587013939.83859010
1985-01-01	-2290112986.06015970
1986-01-01	-2327454145.26779030
1987-01-01	-2677740278.79677000
1988-01-01	-2880410858.40059000
1989-01-01	-4093030080.70433000
1990-01-01	-5487395451.21056000
1991-01-01	-6869669845.92810000
1992-01-01	-7637097578.87014000
1993-01-01	-11589500000.00000000
1994-01-01	-10175400000.00000000
1995-01-01	-11348800000.00000000
1996-01-01	-13016500000.00000000
1997-01-01	-13750600000.00000000
1998-01-01	-17327500000.00000000
1999-01-01	-18258300000.00000000
2000-01-01	-23557500000.00000000
2001-01-01	-24097800000.00000000
2002-01-01	-26344300000.00000000
2003-01-01	-29958700000.00000000
2004-01-01	-31782400000.00000000
2005-01-01	-31580300000.00000000
2006-01-01	-36443400000.00000000
2007-01-01	-42541300000.00000000
2008-01-01	-44301700000.00000000
2009-01-01	-35123300000.00000000
2010-01-01	-30847300000.00000000
2011-01-01	-24514900000.00000000
2012-01-01	-21958600000.00000000
2013-01-01	-19701700000.00000000
2014-01-01	-21206200000.00000000
2015-01-01	-17685000000.00000000
2016-01-01	-18724000000.00000000
2017-01-01	-21425800000.00000000