Year	National currency, Monthly Level
1960-01-01	-45295978.401859400
1961-01-01	-54849176.340674900
1962-01-01	-66231687.722163394
1963-01-01	-36937499.209153295
1964-01-01	-112848035.284498990
1965-01-01	-117781849.753346010
1966-01-01	-124526653.418654000
1967-01-01	-89781223.009038400
1968-01-01	30831241.339544800
1969-01-01	-28888128.159234297
1970-01-01	-221501793.380181000
1971-01-01	-300535957.575044000
1972-01-01	-181377648.314783000
1973-01-01	-326349346.371179040
1974-01-01	-838535159.824886000
1975-01-01	-1318947880.235149900
1976-01-01	-671516980.484231000
1977-01-01	25238825.896343700
1978-01-01	499531431.611543000
1979-01-01	-93902125.536404900
1980-01-01	-903903358.121535000
1981-01-01	-141023073.540129000
1982-01-01	-286059134.981479000
1983-01-01	-350260153.026186000
1984-01-01	1034424542.199740000
1985-01-01	442828110.675616000
1986-01-01	800085876.128356000
1987-01-01	471619289.783497000
1988-01-01	65742156.743247810
1989-01-01	-881038662.827879100
1990-01-01	-236949877.628114000
1991-01-01	839127552.637458900
1992-01-01	2108376087.916920200
1993-01-01	5221252402.712150000
1994-01-01	5666062080.968560000
1995-01-01	8401999999.999999000
1996-01-01	7713600000.000000000
1997-01-01	8723600000.000000000
1998-01-01	9698900000.000000000
1999-01-01	9255700000.000000000
2000-01-01	12455300000.000000000
2001-01-01	11696000000.000000000
2002-01-01	11695000000.000000000
2003-01-01	9304500000.000000000
2004-01-01	8086700000.000000000
2005-01-01	5506100000.000000000
2006-01-01	6351100000.000000000
2007-01-01	6077100000.000000000
2008-01-01	3284400000.000000000
2009-01-01	1457500000.000000000
2010-01-01	370700000.000000000
2011-01-01	-3532500000.000000000
2012-01-01	-2450200000.000000000
2013-01-01	-2211900000.000000000
2014-01-01	-2033000000.000000000
2015-01-01	-454700000.000000000
2016-01-01	-2535800000.000000000
2017-01-01	-2242600000.000000000