Year	National currency, Sum Over Component Sub-periods
1988-01-01	19573000000
1989-01-01	21642000000
1990-01-01	26514000000
1991-01-01	25718000000
1992-01-01	33863000000
1993-01-01	37004000000
1994-01-01	48343000000
1995-01-01	51865000000
1996-01-01	56228000000
1997-01-01	65142000000
1998-01-01	58941000000
1999-01-01	54001000000
2000-01-01	60126000000
2001-01-01	64368000000
2002-01-01	66587000000
2003-01-01	65776000000
2004-01-01	67000000000
2005-01-01	72432000000
2006-01-01	80002000000
2007-01-01	88898000000
2008-01-01	87380000000
2009-01-01	74341000000
2010-01-01	81522000000
2011-01-01	81774000000
2012-01-01	80864000000
2013-01-01	80858000000