Year National currency, Monthly Level 1960-01-01 46737362.95527780 1961-01-01 47490547.77985060 1962-01-01 53097036.14289560 1963-01-01 59870711.58508000 1964-01-01 74236091.02064021 1965-01-01 83693299.14905080 1966-01-01 89958200.73622570 1967-01-01 99759579.41361320 1968-01-01 105246356.28136200 1969-01-01 117985654.57248001 1970-01-01 135628136.19177800 1971-01-01 148088107.66053802 1972-01-01 174883530.69103500 1973-01-01 223286878.62252000 1974-01-01 286639199.52913505 1975-01-01 246047026.66573600 1976-01-01 274777785.53685600 1977-01-01 387496134.31629800 1978-01-01 530970361.42895603 1979-01-01 878133697.78833000 1980-01-01 1155325665.14700000 1981-01-01 1281471653.31551000 1982-01-01 1654727107.67050980 1983-01-01 2536731477.14009000 1984-01-01 3793757045.52030000 1985-01-01 4825350904.32059000 1986-01-01 5381181352.93942000 1987-01-01 6425444678.32524000 1988-01-01 7524500952.70398000 1989-01-01 9969443640.82561000 1990-01-01 11597709520.05670000 1991-01-01 11706542233.21790100 1992-01-01 12097729471.97250000 1993-01-01 11924486986.36290000 1994-01-01 14842424756.33720000 1995-01-01 17418100000.00000000 1996-01-01 19388200000.00000000 1997-01-01 21124000000.00000000 1998-01-01 22115200000.00000000 1999-01-01 23026100000.00000000 2000-01-01 26378700000.00000000 2001-01-01 26918300000.00000000 2002-01-01 27398400000.00000000 2003-01-01 28074000000.00000000 2004-01-01 28769900000.00000000 2005-01-01 31137100000.00000000 2006-01-01 35640600000.00000000 2007-01-01 38294000000.00000000 2008-01-01 38847300000.00000000 2009-01-01 31696700000.00000000 2010-01-01 37267800000.00000000 2011-01-01 42827900000.00000000 2012-01-01 45213100000.00000000 2013-01-01 47302900000.00000000 2014-01-01 48053600000.00000000 2015-01-01 49634000000.00000000 2016-01-01 50038800000.00000000 2017-01-01 55042600000.00000000