Year	National currency, Monthly Level
1960-01-01	-1541799304.1660001
1961-01-01	-2847036561.9440900
1962-01-01	-3419719426.8361700
1963-01-01	-3554700168.5239100
1964-01-01	-4087328160.0173000
1965-01-01	-3096317399.8310800
1966-01-01	-2840099457.9107000
1967-01-01	-2674904805.5839200
1968-01-01	-2081396671.5484803
1969-01-01	-2783546632.1735900
1970-01-01	-5741029479.0351200
1971-01-01	-6016267179.6484995
1972-01-01	-6298096231.2011500
1973-01-01	-6659602906.6174800
1974-01-01	-7555506915.0068900
1975-01-01	-861462980.9576190
1976-01-01	136986455.7735210
1977-01-01	-929811621.9303601
1978-01-01	-492075139.7653150
1979-01-01	-4695093097.5546800
1980-01-01	-10303890505.5404990
1981-01-01	-7271537791.2624000
1982-01-01	-5384887778.6312500
1983-01-01	-7444775807.9187400
1984-01-01	-8384847988.3430510
1985-01-01	-8065895311.9244890
1986-01-01	-6531956246.2977600
1987-01-01	-7510194508.4772100
1988-01-01	-8328454275.5580010
1989-01-01	-11060968240.3697990
1990-01-01	-8924989968.9348810
1991-01-01	-6631641038.3050590
1992-01-01	-432571435.3102920
1993-01-01	3016681940.4842000
1994-01-01	2955441834.0708000
1995-01-01	1261576517.0072498
1996-01-01	2315496657.9466100
1997-01-01	2056280530.8124600
1998-01-01	2302734028.9213300
1999-01-01	1136207477.4417200
2000-01-01	-2157914305.7700900
2001-01-01	1850544822.7558600
2002-01-01	7774042996.5409900
2003-01-01	6943945859.9568100
2004-01-01	9586278724.8451900
2005-01-01	7972060373.7427300
2006-01-01	12126928586.8704010
2007-01-01	14077724019.5467000
2008-01-01	19568745329.0725980
2009-01-01	20784565210.0060000
2010-01-01	19498008865.9013020
2011-01-01	23636372587.1016000
2012-01-01	23621626167.3701000
2013-01-01	23545830989.4456020
2014-01-01	29612838050.2436000
2015-01-01	36580602388.5793000
2016-01-01	37161489439.3974000
2017-01-01	34983246768.0065000