Year	National Currency
1990-01-01	35421000000
1991-01-01	29430000000
1992-01-01	25383000000
1993-01-01	22208000000
1994-01-01	22394000000
1995-01-01	25202000000
1996-01-01	27726000000
1997-01-01	30743000000
1998-01-01	34025000000
1999-01-01	35565000000
2000-01-01	37776000000
2001-01-01	38440000000
2002-01-01	37304000000
2003-01-01	38348000000
2004-01-01	40136000000
2005-01-01	41440000000
2006-01-01	41983000000
2007-01-01	46171000000
2008-01-01	46298000000
2009-01-01	40489000000
2010-01-01	40933000000
2011-01-01	42610000000
2012-01-01	41782000000
2013-01-01	39718000000
2014-01-01	38694000000
2015-01-01	38966000000
2016-01-01	42286000000
2017-01-01	43995000000