Year	National currency, Sum Over Component Sub-periods
1990-01-01	4748000000
1991-01-01	5910000000
1992-01-01	6638000000
1993-01-01	6738000000
1994-01-01	7394000000
1995-01-01	9251000000
1996-01-01	9113000000
1997-01-01	10531000000
1998-01-01	11526000000
1999-01-01	12439000000
2000-01-01	12449000000
2001-01-01	13569000000
2002-01-01	15230000000
2003-01-01	14869000000
2004-01-01	16244000000
2005-01-01	16403000000
2006-01-01	17057000000
2007-01-01	18530000000
2008-01-01	17352000000
2009-01-01	18152000000
2010-01-01	18215000000
2011-01-01	19558000000
2012-01-01	20421000000
2013-01-01	19529000000