Year	National currency, Monthly Level
1991-01-01	208781000000
1992-01-01	293399000000
1993-01-01	426084000000
1994-01-01	498378000000
1995-01-01	665740000000
1996-01-01	754202000000
1997-01-01	856371000000
1998-01-01	913156000000
1999-01-01	973169000000
2000-01-01	1241924000000
2001-01-01	1385565000000
2002-01-01	1325670000000
2003-01-01	1440722000000
2004-01-01	1749095000000
2005-01-01	1829961000000
2006-01-01	2104813000000
2007-01-01	2391319000000
2008-01-01	2406490000000
2009-01-01	1989036000000
2010-01-01	2411557000000
2011-01-01	2687562000000
2012-01-01	2766889000000
2013-01-01	2823485000000
2014-01-01	3199631000000
2015-01-01	3477000000000
2016-01-01	3494673000000
2017-01-01	3801433000000