Year National currency, Sum Over Component Sub-periods 1970-01-01 3831000000 1971-01-01 5663000000 1972-01-01 5634000000 1973-01-01 6510000000 1974-01-01 8227000000 1975-01-01 8938000000 1976-01-01 10247000000 1977-01-01 11011000000 1978-01-01 12089000000 1979-01-01 13452000000 1980-01-01 12934000000 1981-01-01 14380000000 1982-01-01 18734800000 1983-01-01 18169700000 1984-01-01 20152000000 1985-01-01 22061600000 1986-01-01 20008500000 1987-01-01 19889200000 1988-01-01 21678400000 1989-01-01 24459900000 1990-01-01 24445000000 1991-01-01 28679800000 1992-01-01 30570000000 1993-01-01 32049100000 1994-01-01 33971900000 1995-01-01 32599800000 1996-01-01 34635600000 1997-01-01 40526900000 1998-01-01 42483200000 1999-01-01 46447000000 2000-01-01 55824200000 2001-01-01 60019700000 2002-01-01 60483100000 2003-01-01 56530200000 2004-01-01 55918900000 2005-01-01 58997800000 2006-01-01 60020000000 2007-01-01 61534700000 2008-01-01 63041300000 2009-01-01 61162300000 2010-01-01 64296000000 2011-01-01 68259800000 2012-01-01 73633200000 2013-01-01 73720600000