Year	National currency, Monthly Level
1960-01-01	-30508542.139940000
1961-01-01	-46351517.331479296
1962-01-01	-33197020.925651100
1963-01-01	-35420896.716709994
1964-01-01	-37252567.382200204
1965-01-01	-45966334.874721200
1966-01-01	-54050008.307030395
1967-01-01	-46927996.209922895
1968-01-01	-46184424.345878206
1969-01-01	-51813058.884187300
1970-01-01	-87434009.521102700
1971-01-01	-99042570.935913700
1972-01-01	-121160529.396020000
1973-01-01	-127743809.177144000
1974-01-01	-255721098.912861000
1975-01-01	-265039433.525650020
1976-01-01	-380043954.032170000
1977-01-01	-570721782.855137000
1978-01-01	-624848370.630003900
1979-01-01	-783108381.178904000
1980-01-01	-1202911044.478600000
1981-01-01	-1756741800.622190000
1982-01-01	-2123519029.723110200
1983-01-01	-1960850411.115419900
1984-01-01	-1978444749.243239900
1985-01-01	-1657224104.094210000
1986-01-01	-1565235135.820330100
1987-01-01	-2901564577.865870000
1988-01-01	-3846876541.980970000
1989-01-01	-4779309130.859580000
1990-01-01	-6029050397.680941000
1991-01-01	-7048379794.300540000
1992-01-01	-7908002171.507649000
1993-01-01	-6931749137.723110000
1994-01-01	-7691274852.774549500
1995-01-01	-7466300000.000000000
1996-01-01	-8200699999.999999000
1997-01-01	-9778200000.000000000
1998-01-01	-12091500000.000000000
1999-01-01	-14409200000.000000000
2000-01-01	-16921800000.000002000
2001-01-01	-17173500000.000000000
2002-01-01	-15067200000.000000000
2003-01-01	-13748200000.000000000
2004-01-01	-15356700000.000000000
2005-01-01	-20288100000.000000000
2006-01-01	-20701100000.000000000
2007-01-01	-21546600000.000000000
2008-01-01	-25379100000.000000000
2009-01-01	-19624900000.000000000
2010-01-01	-21212500000.000000000
2011-01-01	-16798800000.000000000
2012-01-01	-11024700000.000000000
2013-01-01	-9663500000.000000000
2014-01-01	-10916700000.000000000
2015-01-01	-10608500000.000000000
2016-01-01	-11385500000.000000000
2017-01-01	-14458000000.000000000