Year	National currency, Sum Over Component Sub-periods
1988-01-01	20413000000
1989-01-01	23240000000
1990-01-01	28712000000
1991-01-01	27795000000
1992-01-01	34351000000
1993-01-01	39694000000
1994-01-01	49938000000
1995-01-01	53123000000
1996-01-01	57857000000
1997-01-01	66914000000
1998-01-01	62519000000
1999-01-01	55105000000
2000-01-01	61268000000
2001-01-01	64405000000
2002-01-01	63537000000
2003-01-01	63422000000
2004-01-01	68193000000
2005-01-01	71896000000
2006-01-01	78737000000
2007-01-01	81781000000
2008-01-01	78774000000
2009-01-01	67015000000
2010-01-01	74085000000
2011-01-01	76173000000
2012-01-01	81751000000
2013-01-01	83481000000