Year	National currency, Monthly Level
1991-01-01	-310000000
1992-01-01	-60000000
1993-01-01	-870000000
1994-01-01	110000000
1995-01-01	-180000000
1996-01-01	-2300000000
1997-01-01	-2390000000
1998-01-01	-2680000000
1999-01-01	-1001600000
2000-01-01	-979600000
2001-01-01	-2385500000
2002-01-01	-2223600000
2003-01-01	-617800000
2004-01-01	-1565500000
2005-01-01	-2190700000
2006-01-01	-2517100000
2007-01-01	-1469700000
2008-01-01	-1959200000
2009-01-01	263200000
2010-01-01	-243700000
2011-01-01	-82500000
2012-01-01	2488700000
2013-01-01	2906400000
2014-01-01	3288600000
2015-01-01	1732900000
2016-01-01	1768900000
2017-01-01	891500000