Year	National currency, Sum Over Component Sub-periods
1975-01-01	650000000
1976-01-01	754000000
1977-01-01	886000000
1978-01-01	1067000000
1979-01-01	1259000000
1980-01-01	1546000000
1981-01-01	1827000000
1982-01-01	1982000000
1983-01-01	2284000000
1984-01-01	2633000000
1985-01-01	2936000000
1986-01-01	2828000000
1987-01-01	3323000000
1988-01-01	3870000000
1989-01-01	4465000000
1990-01-01	4969000000
1991-01-01	5215000000
1992-01-01	5693000000
1993-01-01	6379000000
1994-01-01	6389000000
1995-01-01	7031000000
1996-01-01	7132000000
1997-01-01	7772000000
1998-01-01	7767000000
1999-01-01	8022000000
2000-01-01	10208000000
2001-01-01	10313000000
2002-01-01	10470000000
2003-01-01	10769000000
2004-01-01	11744000000
2005-01-01	14272000000
2006-01-01	14843000000
2007-01-01	16380000000
2008-01-01	21016000000
2009-01-01	19579000000
2010-01-01	20101000000
2011-01-01	20791000000
2012-01-01	23780000000
2013-01-01	22467000000