Year National Currency 1960-01-01 30877916666.666702 1961-01-01 30922250000.000000 1962-01-01 33357833333.333298 1963-01-01 35057500000.000000 1964-01-01 37330666666.666700 1965-01-01 40994833333.333300 1966-01-01 44869666666.666700 1967-01-01 46486333333.333300 1968-01-01 50228666666.666700 1969-01-01 53501083333.333300 1970-01-01 52805250000.000000 1971-01-01 55906416666.666700 1972-01-01 63026750000.000000 1973-01-01 72931083333.333300 1974-01-01 84789750000.000000 1975-01-01 86588750000.000000 1976-01-01 98796916666.666700 1977-01-01 113201333333.333000 1978-01-01 126904833333.333000 1979-01-01 143936166666.667000 1980-01-01 154390750000.000000 1981-01-01 168128666666.667000 1982-01-01 163351166666.667000 1983-01-01 172547000000.000000 1984-01-01 190682000000.000000 1985-01-01 194538000000.000000 1986-01-01 194656750000.000000 1987-01-01 206325500000.000000 1988-01-01 224619333333.333000 1989-01-01 236697916666.667000 1990-01-01 242685666666.667000 1991-01-01 239847250000.000000 1992-01-01 242002000000.000000 1993-01-01 251708083333.333000 1994-01-01 269842666666.667000 1995-01-01 289973083333.333000 1996-01-01 299765666666.667000 1997-01-01 319558250000.000000 1998-01-01 324984416666.667000 1999-01-01 335990583333.333000 2000-01-01 350715333333.333000 2001-01-01 330874916666.667000 2002-01-01 326226916666.667000 2003-01-01 334615666666.667000 2004-01-01 359080833333.333000 2005-01-01 395173083333.333000 2006-01-01 417962666666.667000 2007-01-01 443288083333.333000 2008-01-01 455749500000.000000 2009-01-01 368648250000.000000 2010-01-01 409273083333.333000 2011-01-01 457657833333.333000 2012-01-01 474727333333.333000 2013-01-01 484145416666.667000 2014-01-01 490629916666.667000 2015-01-01 459918333333.333000 2016-01-01 446224500000.000000 2017-01-01 467076333333.333000