Year National currency, Monthly Level 1960-01-01 1425.3158840684700 1961-01-01 2805.0079755479000 1962-01-01 3344.1138539349600 1963-01-01 3073.8325087138500 1964-01-01 3328.9865977383400 1965-01-01 4087.0905190621300 1966-01-01 4184.6506571587400 1967-01-01 4380.5126631071400 1968-01-01 4132.3487426019190 1969-01-01 4825.2890515340405 1970-01-01 6247.3149672896810 1971-01-01 8513.0441427159600 1972-01-01 11728.9739172010000 1973-01-01 18279.2811155874000 1974-01-01 20643.5261678446000 1975-01-01 20334.0184976271000 1976-01-01 30647.6587703751970 1977-01-01 31207.1067102305970 1978-01-01 54638.5737994088000 1979-01-01 76550.2062816617100 1980-01-01 226913.6009021850000 1981-01-01 515891.8849761949400 1982-01-01 916009.9387325500000 1983-01-01 1354804.0285089500000 1984-01-01 2605419.5885802600000 1985-01-01 4153010.1324525396000 1986-01-01 5122373.1810733700000 1987-01-01 8783675.5461647210000 1988-01-01 16633486.4268942000000 1989-01-01 24720055.0882250000000 1990-01-01 34361431.7900209950000 1991-01-01 58073667.3412276000000 1992-01-01 102880941.9214800000000 1993-01-01 176729590.3191700000000 1994-01-01 530782385.2656540000000 1995-01-01 1027155371.5501001000000 1996-01-01 1941589962.6183100000000 1997-01-01 4099333003.0772004000000 1998-01-01 7184652552.0156190000000 1999-01-01 11413144897.4487000000000 2000-01-01 18112950070.4134030000000 2001-01-01 37455259497.9659960000000 2002-01-01 56340297458.3318940000000 2003-01-01 72046922648.8996000000000 2004-01-01 90721744847.6384100000000 2005-01-01 101895417856.4970100000000 2006-01-01 124947683246.2100000000000 2007-01-01 145220348523.0210000000000 2008-01-01 171277923865.1590000000000 2009-01-01 163013996988.9740000000000 2010-01-01 170460966891.9640200000000 2011-01-01 225922663665.7450000000000 2012-01-01 273827089221.1190200000000 2013-01-01 292477704140.1250000000000 2014-01-01 345197485443.6830000000000 2015-01-01 388779291843.5530000000000 2016-01-01 434658694397.3510000000000 2017-01-01 570064607576.9430000000000