Year	National currency, Sum Over Component Sub-periods
1988-01-01	8276000000
1989-01-01	10356000000
1990-01-01	9735000000
1991-01-01	13101000000
1992-01-01	13807000000
1993-01-01	16379000000
1994-01-01	13743000000
1995-01-01	11299000000
1996-01-01	14473000000
1997-01-01	14890000000
1998-01-01	17790000000
1999-01-01	20665000000
2000-01-01	21716000000
2001-01-01	24463000000
2002-01-01	27785000000
2003-01-01	25512000000
2004-01-01	25818000000
2005-01-01	28744000000
2006-01-01	31073000000
2007-01-01	33718000000
2008-01-01	35934000000
2009-01-01	34226000000
2010-01-01	33899000000
2011-01-01	35812000000
2012-01-01	34931000000
2013-01-01	34448000000