Year	National currency, Sum Over Component Sub-periods
1988-01-01	24448000000
1989-01-01	26121000000
1990-01-01	26207000000
1991-01-01	31946000000
1992-01-01	31420000000
1993-01-01	33908000000
1994-01-01	33650000000
1995-01-01	35815000000
1996-01-01	36837000000
1997-01-01	36065000000
1998-01-01	42555000000
1999-01-01	48649000000
2000-01-01	50792000000
2001-01-01	52042000000
2002-01-01	52991000000
2003-01-01	53681000000
2004-01-01	56174000000
2005-01-01	45424000000
2006-01-01	49592000000
2007-01-01	50536000000
2008-01-01	51479000000
2009-01-01	53295000000
2010-01-01	53393000000
2011-01-01	55402000000
2012-01-01	59126000000
2013-01-01	67043000000