Year	National currency, Sum Over Component Sub-periods
1992-01-01	9035000000
1993-01-01	6379000000
1994-01-01	8337000000
1995-01-01	3712000000
1996-01-01	3515000000
1997-01-01	3506000000
1998-01-01	4669000000
1999-01-01	5732000000
2000-01-01	7068000000
2001-01-01	7089000000
2002-01-01	7713000000
2003-01-01	7860000000
2004-01-01	8061000000
2005-01-01	9386000000
2006-01-01	9718000000
2007-01-01	11163000000
2008-01-01	14247000000
2009-01-01	12679000000
2010-01-01	13175000000
2011-01-01	13634000000
2012-01-01	14096000000
2013-01-01	15407000000