Year	National currency, Monthly Level
1981-01-01	2781000000.0000000
1982-01-01	3138000000.0000000
1983-01-01	3417000000.0000000
1984-01-01	4179000000.0000005
1985-01-01	3599000000.0000000
1986-01-01	4665000000.0000000
1987-01-01	4851000000.0000000
1988-01-01	5299145511.0201100
1989-01-01	6070020005.0074500
1990-01-01	6291835130.9745410
1991-01-01	6808792287.5366600
1992-01-01	6550660760.1902800
1993-01-01	6590298934.8015200
1994-01-01	6967022724.3994200
1995-01-01	7310751885.8499900
1996-01-01	7416453684.8133000
1997-01-01	8381775859.6327700
1998-01-01	9190032697.1559200
1999-01-01	10525500000.0000000
2000-01-01	12210800000.0000000
2001-01-01	13768900000.0000000
2002-01-01	13378500000.0000000
2003-01-01	14290400000.0000000
2004-01-01	16115700000.0000000
2005-01-01	18154500000.0000000
2006-01-01	21610800000.0000000
2007-01-01	20451600000.0000000
2008-01-01	21863600000.0000000
2009-01-01	18160500000.0000000
2010-01-01	18713400000.0000000
2011-01-01	20732600000.0000000
2012-01-01	21235900000.0000000
2013-01-01	20084500000.0000000
2014-01-01	20101300000.0000000
2015-01-01	21016000000.0000000
2016-01-01	19672800000.0000000
2017-01-01	20088200000.0000000