Year National currency, Sum Over Component Sub-periods 1960-01-01 -1385000000 1961-01-01 -1377000000 1962-01-01 -1151000000 1963-01-01 -1014000000 1964-01-01 -780000000 1965-01-01 -287000000 1966-01-01 -878000000 1967-01-01 -1196000000 1968-01-01 -385000000 1969-01-01 -517000000 1970-01-01 -348000000 1971-01-01 959000000 1972-01-01 973000000 1973-01-01 989000000 1974-01-01 1212000000 1975-01-01 3500000000 1976-01-01 3402000000 1977-01-01 3845000000 1978-01-01 4164000000 1979-01-01 3003000000 1980-01-01 6093000000 1981-01-01 11851000000 1982-01-01 12330000000 1983-01-01 9335000000 1984-01-01 3418000000 1985-01-01 294000000 1986-01-01 6543000000 1987-01-01 7874000000 1988-01-01 12394000000 1989-01-01 24607000000 1990-01-01 30173000000 1991-01-01 45802000000 1992-01-01 57685000000 1993-01-01 62141000000 1994-01-01 67338000000 1995-01-01 77786000000 1996-01-01 86935000000 1997-01-01 90155000000 1998-01-01 82081000000 1999-01-01 73618000000 2000-01-01 69605000000 2001-01-01 60172000000 2002-01-01 57677000000 2003-01-01 51729000000 2004-01-01 61467000000 2005-01-01 76220000000 2006-01-01 86388000000 2007-01-01 123677000000 2008-01-01 131655000000 2009-01-01 126893000000 2010-01-01 150776000000 2011-01-01 187301000000 2012-01-01 206820000000 2013-01-01 229046000000