Year National currency, Sum Over Component Sub-periods 1960-01-01 30000000 1961-01-01 36000000 1962-01-01 39000000 1963-01-01 41000000 1964-01-01 46000000 1965-01-01 50000000 1966-01-01 51000000 1967-01-01 58000000 1968-01-01 64000000 1969-01-01 65000000 1970-01-01 69000000 1971-01-01 75000000 1972-01-01 89000000 1973-01-01 109000000 1974-01-01 118000000 1975-01-01 140000000 1976-01-01 166000000 1977-01-01 188000000 1978-01-01 296000000 1979-01-01 374000000 1980-01-01 428000000 1981-01-01 534000000 1982-01-01 467000000 1983-01-01 481000000 1984-01-01 518000000 1985-01-01 541000000 1986-01-01 645000000 1987-01-01 576000000 1988-01-01 634000000 1989-01-01 692000000 1990-01-01 663000000 1991-01-01 794000000 1992-01-01 803000000 1993-01-01 804000000 1994-01-01 1230000000 1995-01-01 630000000 1996-01-01 666000000 1997-01-01 911000000 1998-01-01 1023000000 1999-01-01 861000000 2000-01-01 904000000 2001-01-01 2017000000 2002-01-01 1361000000 2003-01-01 1327000000 2004-01-01 1538000000 2005-01-01 2807000000 2006-01-01 3049000000 2007-01-01 2027000000 2008-01-01 2422000000 2009-01-01 2200000000 2010-01-01 2313000000 2011-01-01 2200000000 2012-01-01 2388000000 2013-01-01 2538000000