Year	National currency, Monthly Level
1990-01-01	314435100000.000
1991-01-01	401230000000.000
1992-01-01	508720000000.000
1993-01-01	656900000000.000
1994-01-01	785040000000.000
1995-01-01	994550000000.000
1996-01-01	1171920000000.000
1997-01-01	1270730000000.000
1998-01-01	1379300000000.000
1999-01-01	1536160000000.000
2000-01-01	1906520000000.000
2001-01-01	2045160000000.000
2002-01-01	2448390000000.000
2003-01-01	2743190000000.000
2004-01-01	3472690000000.000
2005-01-01	4393450000000.000
2006-01-01	5521656000000.000
2007-01-01	6190173000000.000
2008-01-01	8412344999999.999
2009-01-01	7967176000000.000
2010-01-01	10341020000000.000
2011-01-01	14121397106000.000
2012-01-01	15840400224000.000
2013-01-01	18447568668000.000
2014-01-01	19677184125000.000
2015-01-01	17165619814000.002
2016-01-01	17767199112000.000
2017-01-01	19477014938000.000