Year	National currency, Monthly Level
1980-01-01	62860000
1981-01-01	84620000
1982-01-01	95110000
1983-01-01	107820000
1984-01-01	133610000
1985-01-01	169100000
1986-01-01	211560000
1987-01-01	323650000
1988-01-01	601160000
1989-01-01	1947620000
1990-01-01	13605520000
1991-01-01	15771590000
1992-01-01	17968710000
1993-01-01	25756800000
1994-01-01	38766800000
1995-01-01	55515100000
1996-01-01	65819400000
1997-01-01	84479600000
1998-01-01	98647900000
1999-01-01	108757900000
2000-01-01	137908700000
2001-01-01	148114500000
2002-01-01	167338100000
2003-01-01	208944300000
2004-01-01	272102400000
2005-01-01	288780800000
2006-01-01	343779000000
2007-01-01	386555600000
2008-01-01	405383100000
2009-01-01	423242000000
2010-01-01	481058200000
2011-01-01	558739000000
2012-01-01	603418600000
2013-01-01	647878800000
2014-01-01	693471600000
2015-01-01	749835800000
2016-01-01	803477800000
2017-01-01	882619500000