Year	National currency, Sum Over Component Sub-periods
1988-01-01	840000000
1989-01-01	1597000000
1990-01-01	2198000000
1991-01-01	2076000000
1992-01-01	487000000
1993-01-01	2689000000
1994-01-01	1593000000
1995-01-01	1260000000
1996-01-01	1629000000
1997-01-01	1774000000
1998-01-01	3579000000
1999-01-01	1104000000
2000-01-01	1142000000
2001-01-01	37000000
2002-01-01	-3050000000
2003-01-01	-2354000000
2004-01-01	1193000000
2005-01-01	-536000000
2006-01-01	-1265000000
2007-01-01	-7117000000
2008-01-01	-8605000000
2009-01-01	-7327000000
2010-01-01	-7437000000
2011-01-01	-5601000000
2012-01-01	887000000
2013-01-01	2623000000