Year	National currency, Monthly Level
1966-01-01	449871794.7423460
1967-01-01	510287324.9311840
1968-01-01	668631287.1936339
1969-01-01	798831360.7755460
1970-01-01	1007280059.6204000
1971-01-01	1236819804.5508600
1972-01-01	1471408652.1702502
1973-01-01	1836935799.8870099
1974-01-01	2452458139.5069300
1975-01-01	2624103590.4463100
1976-01-01	3497256980.7555904
1977-01-01	4659608981.5248900
1978-01-01	5997924104.1914610
1979-01-01	7316853581.4311300
1980-01-01	8748773935.3070600
1981-01-01	11351786128.9000020
1982-01-01	13518483691.3000000
1983-01-01	17045438542.0000000
1984-01-01	22846786416.0000000
1985-01-01	24956881652.0000000
1986-01-01	23145941977.0000000
1987-01-01	25347946439.0000000
1988-01-01	28143821158.0000000
1989-01-01	30950587703.0000000
1990-01-01	33860915708.0000000
1991-01-01	37202666026.0000000
1992-01-01	39469727568.0000000
1993-01-01	46470737943.0000000
1994-01-01	58958883389.0000000
1995-01-01	75162200000.0000000
1996-01-01	84125800000.0000000
1997-01-01	88632100000.0000000
1998-01-01	99597200000.0000000
1999-01-01	97449400000.0000000
2000-01-01	125228200000.0000000
2001-01-01	130673499999.9999800
2002-01-01	132514000000.0000200
2003-01-01	137280100000.0000000
2004-01-01	145804700000.0000000
2005-01-01	154667100000.0000000
2006-01-01	171364300000.0000000
2007-01-01	185500000000.0000000
2008-01-01	189499000000.0000000
2009-01-01	162862600000.0000000
2010-01-01	191377600000.0000000
2011-01-01	220250800000.0000000
2012-01-01	231391400000.0000000
2013-01-01	239660600000.0000000
2014-01-01	243895000000.0000000
2015-01-01	254242000000.0000000
2016-01-01	262219800000.0000300
2017-01-01	284707000000.0000000