Year	National currency, Monthly Level
1960-01-01	61815294.46733740
1961-01-01	62926908.87006989
1962-01-01	61980870.29912830
1963-01-01	70524635.80415839
1964-01-01	77756543.69441650
1965-01-01	99664963.44299999
1966-01-01	107387813.29036800
1967-01-01	104315068.36581999
1968-01-01	122057749.15872300
1969-01-01	140472050.33121100
1970-01-01	173481077.99495300
1971-01-01	182421478.90613300
1972-01-01	205729169.58067400
1973-01-01	300538870.09386500
1974-01-01	384531412.32240400
1975-01-01	502258156.29526100
1976-01-01	644073577.41556910
1977-01-01	738320248.17866100
1978-01-01	839385841.73580700
1979-01-01	1043544242.63964000
1980-01-01	1316972104.15724000
1981-01-01	1431063539.74292020
1982-01-01	1978146189.37582020
1983-01-01	2417580545.25329970
1984-01-01	3062833536.73252000
1985-01-01	4044197296.63681940
1986-01-01	4698672269.17937000
1987-01-01	5309991931.08037000
1988-01-01	5154259898.65782900
1989-01-01	7671913401.42427900
1990-01-01	9205534042.69138000
1991-01-01	11488466308.10949900
1992-01-01	13082565429.19530100
1993-01-01	18663300000.00000000
1994-01-01	18113100000.00000000
1995-01-01	19801800000.00000000
1996-01-01	22184500000.00000000
1997-01-01	23816000000.00000000
1998-01-01	27081700000.00000000
1999-01-01	28419300000.00000000
2000-01-01	36342100000.00000000
2001-01-01	36875100000.00000000
2002-01-01	38411000000.00000000
2003-01-01	42356600000.00000000
2004-01-01	44870400000.00000000
2005-01-01	46358100000.00000000
2006-01-01	53639500000.00000000
2007-01-01	61792600000.00000000
2008-01-01	65532600000.00000000
2009-01-01	53134600000.00000000
2010-01-01	51880000000.00000000
2011-01-01	48821500000.00000000
2012-01-01	49438300000.00000000
2013-01-01	47118900000.00000000
2014-01-01	48295900000.00000000
2015-01-01	43500900000.00000000
2016-01-01	44156800000.00000000
2017-01-01	50321400000.00000000