Month	National Currency
1998-01-01	3.66
1998-02-01	3.85
1998-03-01	3.69
1998-04-01	3.71
1998-05-01	3.80
1998-06-01	3.77
1998-07-01	3.69
1998-08-01	3.81
1998-09-01	3.76
1998-10-01	3.78
1998-11-01	4.01
1998-12-01	4.04
1999-01-01	4.06
1999-02-01	4.14
1999-03-01	3.95
1999-04-01	4.04
1999-05-01	4.12
1999-06-01	4.09
1999-07-01	4.07
1999-08-01	4.12
1999-09-01	4.16
1999-10-01	4.26
1999-11-01	4.36
1999-12-01	4.57
2000-01-01	4.37
2000-02-01	4.41
2000-03-01	4.29
2000-04-01	4.57
2000-05-01	4.39
2000-06-01	4.47
2000-07-01	4.64
2000-08-01	4.52
2000-09-01	4.69
2000-10-01	4.69
2000-11-01	5.07
2000-12-01	5.21
2001-01-01	4.84
2001-02-01	5.14
2001-03-01	4.94
2001-04-01	5.07
2001-05-01	4.91
2001-06-01	5.11
2001-07-01	5.01
2001-08-01	5.05
2001-09-01	5.36
2001-10-01	5.13
2001-11-01	5.63
2001-12-01	5.74
2002-01-01	5.30
2002-02-01	5.63
2002-03-01	5.59
2002-04-01	5.49
2002-05-01	5.41
2002-06-01	5.74
2002-07-01	5.42
2002-08-01	5.65
2002-09-01	5.79
2002-10-01	5.61
2002-11-01	6.19
2002-12-01	6.31
2003-01-01	5.82
2003-02-01	6.13
2003-03-01	6.02
2003-04-01	5.94
2003-05-01	5.99
2003-06-01	6.11
2003-07-01	5.89
2003-08-01	6.17
2003-09-01	6.09
2003-10-01	6.00
2003-11-01	6.82
2003-12-01	6.52
2004-01-01	6.19
2004-02-01	6.43
2004-03-01	6.05
2004-04-01	6.23
2004-05-01	6.35
2004-06-01	6.28
2004-07-01	6.27
2004-08-01	6.37
2004-09-01	6.38
2004-10-01	6.61
2004-11-01	6.97
2004-12-01	6.75
2005-01-01	6.70
2005-02-01	6.81
2005-03-01	6.45
2005-04-01	6.75
2005-05-01	6.63
2005-06-01	6.61
2005-07-01	6.78
2005-08-01	6.59
2005-09-01	6.75
2005-10-01	7.00
2005-11-01	7.66
2005-12-01	7.08
2006-01-01	6.88
2006-02-01	7.19
2006-03-01	6.79
2006-04-01	7.24
2006-05-01	6.77
2006-06-01	6.95
2006-07-01	7.08
2006-08-01	6.86
2006-09-01	7.17
2006-10-01	7.12
2006-11-01	8.13
2006-12-01	7.56
2007-01-01	7.10
2007-02-01	7.55
2007-03-01	7.30
2007-04-01	7.45
2007-05-01	7.15
2007-06-01	7.52
2007-07-01	7.36
2007-08-01	7.24
2007-09-01	7.80
2007-10-01	7.39
2007-11-01	8.73
2007-12-01	8.07
2008-01-01	7.53
2008-02-01	7.99
2008-03-01	8.14
2008-04-01	7.93
2008-05-01	7.93
2008-06-01	8.20
2008-07-01	7.77
2008-08-01	8.48
2008-09-01	8.20
2008-10-01	8.08
2008-11-01	9.73
2008-12-01	8.29
2009-01-01	8.36
2009-02-01	8.76
2009-03-01	8.44
2009-04-01	8.43
2009-05-01	8.65
2009-06-01	8.45
2009-07-01	8.16
2009-08-01	8.62
2009-09-01	8.46
2009-10-01	8.54
2009-11-01	9.60
2009-12-01	8.51
2010-01-01	8.83
2010-02-01	9.06
2010-03-01	8.56
2010-04-01	8.74
2010-05-01	8.96
2010-06-01	8.75
2010-07-01	8.69
2010-08-01	8.73
2010-09-01	8.73
2010-10-01	9.05
2010-11-01	9.62
2010-12-01	8.76
2011-01-01	9.14
2011-02-01	9.47
2011-03-01	8.68
2011-04-01	9.15
2011-05-01	8.91
2011-06-01	8.93
2011-07-01	9.12
2011-08-01	8.66
2011-09-01	8.86
2011-10-01	9.19
2011-11-01	9.73
2011-12-01	9.12
2012-01-01	9.03
2012-02-01	9.32
2012-03-01	9.06
2012-04-01	9.29
2012-05-01	8.74
2012-06-01	9.14
2012-07-01	8.83
2012-08-01	8.61
2012-09-01	9.41
2012-10-01	8.65
2012-11-01	9.52
2012-12-01	9.39
2013-01-01	8.72
2013-02-01	9.52
2013-03-01	9.31
2013-04-01	8.98
2013-05-01	8.70
2013-06-01	9.45
2013-07-01	8.61
2013-08-01	8.86
2013-09-01	9.14
2013-10-01	8.70
2013-11-01	9.87
2013-12-01	9.13
2014-01-01	8.79
2014-02-01	9.68
2014-03-01	9.37
2014-04-01	9.07
2014-05-01	9.04
2014-06-01	9.31
2014-07-01	8.76
2014-08-01	9.26
2014-09-01	8.98
2014-10-01	8.82
2014-11-01	10.39
2014-12-01	8.96
2015-01-01	9.12
2015-02-01	9.69
2015-03-01	9.21
2015-04-01	9.15
2015-05-01	9.37
2015-06-01	9.11
2015-07-01	8.80
2015-08-01	9.33
2015-09-01	9.02
2015-10-01	9.13
2015-11-01	10.32
2015-12-01	9.09
2016-01-01	9.58
2016-02-01	9.69
2016-03-01	9.10
2016-04-01	9.64
2016-05-01	9.23
2016-06-01	9.24
2016-07-01	9.49
2016-08-01	8.93
2016-09-01	9.21
2016-10-01	9.61
2016-11-01	10.00
2016-12-01	9.77
2017-01-01	9.44
2017-02-01	10.14
2017-03-01	9.27
2017-04-01	10.15
2017-05-01	9.17
2017-06-01	9.44
2017-07-01	9.74
2017-08-01	9.16
2017-09-01	9.84
2017-10-01	9.57
2017-11-01	10.42
2017-12-01	10.58
2018-01-01	9.48
2018-02-01	10.54
2018-03-01	9.89
2018-04-01	10.25
2018-05-01	9.48
2018-06-01	10.15
2018-07-01	9.75
2018-08-01	9.51