Year	National currency, Monthly Level
1981-01-01	2208000000.0000000
1982-01-01	2547000000.0000000
1983-01-01	2778000000.0000000
1984-01-01	3612000000.0000000
1985-01-01	4167000000.0000000
1986-01-01	4122000000.0000000
1987-01-01	3750000000.0000000
1988-01-01	4619694148.9691400
1989-01-01	5275149417.8220610
1990-01-01	5229487430.5588300
1991-01-01	5308590254.3139700
1992-01-01	5155342477.2991495
1993-01-01	5041261877.1985100
1994-01-01	5422918747.9393800
1995-01-01	5720440556.3722300
1996-01-01	5554599788.2989300
1997-01-01	6259931234.3362300
1998-01-01	7124608638.0977600
1999-01-01	7696600000.0000000
2000-01-01	9070900000.0000000
2001-01-01	10896300000.0000000
2002-01-01	10802000000.0000000
2003-01-01	11754800000.0000000
2004-01-01	13063500000.0000000
2005-01-01	15394200000.0000000
2006-01-01	18337000000.0000000
2007-01-01	16733600000.0000000
2008-01-01	17469400000.0000000
2009-01-01	15298700000.0000000
2010-01-01	14180300000.0000000
2011-01-01	14990200000.0000000
2012-01-01	14665100000.0000000
2013-01-01	13869600000.0000000
2014-01-01	14406500000.0000000
2015-01-01	15465300000.0000000
2016-01-01	14276400000.0000000
2017-01-01	13963800000.0000000