Month	National Currency
1960-01-01	1.77
1960-02-01	1.77
1960-03-01	1.78
1960-04-01	1.79
1960-05-01	1.79
1960-06-01	1.78
1960-07-01	1.77
1960-08-01	1.76
1960-09-01	1.77
1960-10-01	1.78
1960-11-01	1.79
1960-12-01	1.83
1961-01-01	1.82
1961-02-01	1.82
1961-03-01	1.83
1961-04-01	1.84
1961-05-01	1.84
1961-06-01	1.83
1961-07-01	1.82
1961-08-01	1.82
1961-09-01	1.82
1961-10-01	1.84
1961-11-01	1.84
1961-12-01	1.88
1962-01-01	1.86
1962-02-01	1.87
1962-03-01	1.87
1962-04-01	1.89
1962-05-01	1.89
1962-06-01	1.89
1962-07-01	1.88
1962-08-01	1.86
1962-09-01	1.88
1962-10-01	1.89
1962-11-01	1.90
1962-12-01	1.94
1963-01-01	1.93
1963-02-01	1.93
1963-03-01	1.93
1963-04-01	1.95
1963-05-01	1.95
1963-06-01	1.95
1963-07-01	1.93
1963-08-01	1.93
1963-09-01	1.95
1963-10-01	1.96
1963-11-01	1.98
1963-12-01	2.01
1964-01-01	1.99
1964-02-01	1.99
1964-03-01	2.01
1964-04-01	2.01
1964-05-01	2.02
1964-06-01	2.02
1964-07-01	2.01
1964-08-01	2.02
1964-09-01	2.03
1964-10-01	2.03
1964-11-01	2.04
1964-12-01	2.08
1965-01-01	2.08
1965-02-01	2.08
1965-03-01	2.11
1965-04-01	2.12
1965-05-01	2.11
1965-06-01	2.11
1965-07-01	2.09
1965-08-01	2.09
1965-09-01	2.13
1965-10-01	2.15
1965-11-01	2.16
1965-12-01	2.18
1966-01-01	2.19
1966-02-01	2.20
1966-03-01	2.22
1966-04-01	2.23
1966-05-01	2.23
1966-06-01	2.23
1966-07-01	2.23
1966-08-01	2.24
1966-09-01	2.27
1966-10-01	2.29
1966-11-01	2.31
1966-12-01	2.31
1967-01-01	2.33
1967-02-01	2.35
1967-03-01	2.37
1967-04-01	2.38
1967-05-01	2.38
1967-06-01	2.39
1967-07-01	2.40
1967-08-01	2.40
1967-09-01	2.43
1967-10-01	2.45
1967-11-01	2.46
1967-12-01	2.50
1968-01-01	2.49
1968-02-01	2.49
1968-03-01	2.51
1968-04-01	2.56
1968-05-01	2.57
1968-06-01	2.57
1968-07-01	2.56
1968-08-01	2.59
1968-09-01	2.62
1968-10-01	2.64
1968-11-01	2.66
1968-12-01	2.70
1969-01-01	2.71
1969-02-01	2.72
1969-03-01	2.74
1969-04-01	2.75
1969-05-01	2.77
1969-06-01	2.78
1969-07-01	2.77
1969-08-01	2.78
1969-09-01	2.82
1969-10-01	2.84
1969-11-01	2.88
1969-12-01	2.92
1970-01-01	2.92
1970-02-01	2.93
1970-03-01	2.96
1970-04-01	2.99
1970-05-01	2.99
1970-06-01	3.01
1970-07-01	3.00
1970-08-01	3.02
1970-09-01	3.02
1970-10-01	3.06
1970-11-01	3.09
1970-12-01	3.17
1971-01-01	3.19
1971-02-01	3.21
1971-03-01	3.21
1971-04-01	3.23
1971-05-01	3.27
1971-06-01	3.29
1971-07-01	3.27
1971-08-01	3.28
1971-09-01	3.32
1971-10-01	3.35
1971-11-01	3.36
1971-12-01	3.41
1972-01-01	3.42
1972-02-01	3.43
1972-03-01	3.46
1972-04-01	3.50
1972-05-01	3.51
1972-06-01	3.51
1972-07-01	3.53
1972-08-01	3.56
1972-09-01	3.59
1972-10-01	3.62
1972-11-01	3.64
1972-12-01	3.69
1973-01-01	3.71
1973-02-01	3.72
1973-03-01	3.76
1973-04-01	3.79
1973-05-01	3.82
1973-06-01	3.85
1973-07-01	3.85
1973-08-01	3.83
1973-09-01	3.93
1973-10-01	3.98
1973-11-01	3.97
1973-12-01	4.04
1974-01-01	4.08
1974-02-01	4.09
1974-03-01	4.15
1974-04-01	4.21
1974-05-01	4.27
1974-06-01	4.30
1974-07-01	4.39
1974-08-01	4.44
1974-09-01	4.54
1974-10-01	4.64
1974-11-01	4.66
1974-12-01	4.71
1975-01-01	4.77
1975-02-01	4.83
1975-03-01	4.91
1975-04-01	4.96
1975-05-01	5.01
1975-06-01	5.07
1975-07-01	5.07
1975-08-01	5.08
1975-09-01	5.14
1975-10-01	5.24
1975-11-01	5.28
1975-12-01	5.34
1976-01-01	5.42
1976-02-01	5.51
1976-03-01	5.58
1976-04-01	5.65
1976-05-01	5.73
1976-06-01	5.81
1976-07-01	5.79
1976-08-01	5.80
1976-09-01	5.87
1976-10-01	5.91
1976-11-01	5.92
1976-12-01	6.02
1977-01-01	6.11
1977-02-01	6.16
1977-03-01	6.21
1977-04-01	6.27
1977-05-01	6.36
1977-06-01	6.39
1977-07-01	6.40
1977-08-01	6.39
1977-09-01	6.52
1977-10-01	6.55
1977-11-01	6.57
1977-12-01	6.60
1978-01-01	6.62
1978-02-01	6.66
1978-03-01	6.72
1978-04-01	6.72
1978-05-01	6.78
1978-06-01	6.81
1978-07-01	6.81
1978-08-01	6.84
1978-09-01	6.97
1978-10-01	7.01
1978-11-01	7.04
1978-12-01	7.04
1979-01-01	7.15
1979-02-01	7.18
1979-03-01	7.24
1979-04-01	7.32
1979-05-01	7.38
1979-06-01	7.41
1979-07-01	7.45
1979-08-01	7.48
1979-09-01	7.57
1979-10-01	7.65
1979-11-01	7.69
1979-12-01	7.70
1980-01-01	7.81
1980-02-01	7.90
1980-03-01	7.98
1980-04-01	8.02
1980-05-01	8.03
1980-06-01	8.12
1980-07-01	8.17
1980-08-01	8.20
1980-09-01	8.39
1980-10-01	8.50
1980-11-01	8.53
1980-12-01	8.59
1981-01-01	8.68
1981-02-01	8.79
1981-03-01	8.88
1981-04-01	8.98
1981-05-01	9.09
1981-06-01	9.15
1981-07-01	9.08
1981-08-01	9.17
1981-09-01	9.17
1981-10-01	9.55
1981-11-01	9.59
1981-12-01	9.68
1982-01-01	9.86
1982-02-01	9.91
1982-03-01	10.02
1982-04-01	10.12
1982-05-01	10.16
1982-06-01	10.22
1982-07-01	10.29
1982-08-01	10.31
1982-09-01	10.40
1982-10-01	10.50
1982-11-01	10.55
1982-12-01	10.62
1983-01-01	10.47
1983-02-01	10.49
1983-03-01	10.55
1983-04-01	10.61
1983-05-01	10.61
1983-06-01	10.63
1983-07-01	10.64
1983-08-01	10.62
1983-09-01	10.75
1983-10-01	10.82
1983-11-01	10.88
1983-12-01	10.93
1984-01-01	11.07
1984-02-01	11.01
1984-03-01	11.07
1984-04-01	11.14
1984-05-01	11.13
1984-06-01	11.13
1984-07-01	11.16
1984-08-01	11.13
1984-09-01	11.26
1984-10-01	11.24
1984-11-01	11.34
1984-12-01	11.37
1985-01-01	11.44
1985-02-01	11.50
1985-03-01	11.53
1985-04-01	11.54
1985-05-01	11.54
1985-06-01	11.51
1985-07-01	11.52
1985-08-01	11.52
1985-09-01	11.62
1985-10-01	11.70
1985-11-01	11.77
1985-12-01	11.87
1986-01-01	11.85
1986-02-01	11.88
1986-03-01	11.87
1986-04-01	11.83
1986-05-01	11.87
1986-06-01	11.86
1986-07-01	11.87
1986-08-01	11.80
1986-09-01	11.94
1986-10-01	12.03
1986-11-01	12.10
1986-12-01	12.18
1987-01-01	12.25
1987-02-01	12.26
1987-03-01	12.27
1987-04-01	12.31
1987-05-01	12.29
1987-06-01	12.22
1987-07-01	12.21
1987-08-01	12.25
1987-09-01	12.42
1987-10-01	12.47
1987-11-01	12.50
1987-12-01	12.52
1988-01-01	12.66
1988-02-01	12.64
1988-03-01	12.70
1988-04-01	12.74
1988-05-01	12.70
1988-06-01	12.78
1988-07-01	12.73
1988-08-01	12.73
1988-09-01	12.96
1988-10-01	13.05
1988-11-01	13.01
1988-12-01	13.01
1989-01-01	13.28
1989-02-01	13.28
1989-03-01	13.34
1989-04-01	13.37
1989-05-01	13.35
1989-06-01	13.38
1989-07-01	13.39
1989-08-01	13.52
1989-09-01	13.67
1989-10-01	13.72
1989-11-01	13.81
1989-12-01	13.82
1990-01-01	13.90
1990-02-01	13.94
1990-03-01	14.07
1990-04-01	14.10
1990-05-01	14.16
1990-06-01	14.15
1990-07-01	14.13
1990-08-01	14.12
1990-09-01	14.23
1990-10-01	14.41
1990-11-01	14.50
1990-12-01	14.62
1991-01-01	14.96
1991-02-01	15.10
1991-03-01	15.23
1991-04-01	15.23
1991-05-01	15.20
1991-06-01	15.19
1991-07-01	15.13
1991-08-01	15.13
1991-09-01	15.28
1991-10-01	15.35
1991-11-01	15.38
1991-12-01	15.57
1992-01-01	15.58
1992-02-01	15.73
1992-03-01	15.78
1992-04-01	15.83
1992-05-01	15.74
1992-06-01	15.66
1992-07-01	15.60
1992-08-01	15.69
1992-09-01	15.77
1992-10-01	15.82
1992-11-01	15.89
1992-12-01	16.04
1993-01-01	16.13
1993-02-01	16.24
1993-03-01	16.22
1993-04-01	16.18
1993-05-01	16.08
1993-06-01	16.08
1993-07-01	16.03
1993-08-01	16.00
1993-09-01	16.14
1993-10-01	16.14
1993-11-01	16.11
1993-12-01	16.19
1994-01-01	16.32
1994-02-01	16.47
1994-03-01	16.52
1994-04-01	16.39
1994-05-01	16.36
1994-06-01	16.39
1994-07-01	16.32
1994-08-01	16.17
1994-09-01	16.33
1994-10-01	16.39
1994-11-01	16.52
1994-12-01	16.63
1995-01-01	16.57
1995-02-01	16.58
1995-03-01	16.55
1995-04-01	16.55
1995-05-01	16.54
1995-06-01	16.54
1995-07-01	16.48
1995-08-01	16.65
1995-09-01	16.65
1995-10-01	16.67
1995-11-01	16.72
1995-12-01	16.96
1996-01-01	16.79
1996-02-01	16.88
1996-03-01	16.85
1996-04-01	16.79
1996-05-01	17.07
1996-06-01	17.27
1996-07-01	17.09
1996-08-01	17.23
1996-09-01	17.35
1996-10-01	17.34
1996-11-01	17.47
1996-12-01	17.44
1997-01-01	17.25
1997-02-01	17.42
1997-03-01	17.32
1997-04-01	17.20
1997-05-01	17.45
1997-06-01	17.11
1997-07-01	17.03
1997-08-01	17.07
1997-09-01	16.93
1997-10-01	17.21
1997-11-01	17.33
1997-12-01	17.66
1998-01-01	17.66
1998-02-01	17.55
1998-03-01	17.72
1998-04-01	17.77
1998-05-01	17.62
1998-06-01	17.80
1998-07-01	17.60
1998-08-01	17.33
1998-09-01	17.40
1998-10-01	17.46
1998-11-01	17.47
1998-12-01	17.71
1999-01-01	17.78
1999-02-01	17.84
1999-03-01	17.70
1999-04-01	17.69
1999-05-01	17.77
1999-06-01	18.05
1999-07-01	18.02
1999-08-01	17.80
1999-09-01	17.59
1999-10-01	17.80
1999-11-01	17.75
1999-12-01	18.11
2000-01-01	18.25
2000-02-01	18.33
2000-03-01	18.23
2000-04-01	18.27
2000-05-01	18.42
2000-06-01	18.28
2000-07-01	18.31
2000-08-01	18.33
2000-09-01	18.25
2000-10-01	18.25
2000-11-01	18.23
2000-12-01	18.33
2001-01-01	18.34
2001-02-01	18.14
2001-03-01	18.23
2001-04-01	18.33
2001-05-01	18.52
2001-06-01	18.65
2001-07-01	18.37
2001-08-01	18.34
2001-09-01	18.36
2001-10-01	18.30
2001-11-01	18.46
2001-12-01	18.62
2002-01-01	18.60
2002-02-01	18.50
2002-03-01	18.30
2002-04-01	18.28
2002-05-01	18.56
2002-06-01	18.69
2002-07-01	19.07
2002-08-01	18.21
2002-09-01	18.58
2002-10-01	18.83
2002-11-01	18.96
2002-12-01	18.83
2003-01-01	18.75
2003-02-01	19.06
2003-03-01	18.84
2003-04-01	19.16
2003-05-01	19.22
2003-06-01	19.52
2003-07-01	19.49
2003-08-01	19.53
2003-09-01	19.78
2003-10-01	19.70
2003-11-01	19.84
2003-12-01	19.94
2004-01-01	20.11
2004-02-01	20.03
2004-03-01	19.92
2004-04-01	19.71
2004-05-01	20.16
2004-06-01	20.00
2004-07-01	19.77
2004-08-01	20.02
2004-09-01	19.70
2004-10-01	20.23
2004-11-01	20.41
2004-12-01	20.31
2005-01-01	20.62
2005-02-01	20.60
2005-03-01	20.34
2005-04-01	20.65
2005-05-01	20.32
2005-06-01	20.60
2005-07-01	20.33
2005-08-01	20.50
2005-09-01	20.99
2005-10-01	20.74
2005-11-01	20.55
2005-12-01	20.48
2006-01-01	20.42
2006-02-01	20.54
2006-03-01	20.51
2006-04-01	20.44
2006-05-01	20.40
2006-06-01	20.11
2006-07-01	20.29
2006-08-01	20.63
2006-09-01	20.65
2006-10-01	20.62
2006-11-01	20.63
2006-12-01	21.03
2007-01-01	20.93
2007-02-01	20.99
2007-03-01	21.13
2007-04-01	21.51
2007-05-01	21.64
2007-06-01	21.68
2007-07-01	21.78
2007-08-01	21.47
2007-09-01	21.55
2007-10-01	22.10
2007-11-01	22.16
2007-12-01	22.45
2008-01-01	22.22
2008-02-01	22.37
2008-03-01	22.64
2008-04-01	22.11
2008-05-01	22.04
2008-06-01	22.05
2008-07-01	21.68
2008-08-01	21.61
2008-09-01	21.41
2008-10-01	21.99
2008-11-01	22.25
2008-12-01	21.44
2009-01-01	21.02
2009-02-01	21.22
2009-03-01	21.39
2009-04-01	21.17
2009-05-01	20.70
2009-06-01	20.32
2009-07-01	20.19
2009-08-01	20.49
2009-09-01	21.39
2009-10-01	20.50
2009-11-01	20.67
2009-12-01	21.35
2010-01-01	21.33
2010-02-01	21.64
2010-03-01	21.71
2010-04-01	20.85
2010-05-01	21.71
2010-06-01	21.68
2010-07-01	22.30
2010-08-01	22.14
2010-09-01	22.59
2010-10-01	22.08
2010-11-01	22.40
2010-12-01	22.44
2011-01-01	22.01
2011-02-01	22.83
2011-03-01	22.61
2011-04-01	22.52
2011-05-01	22.93
2011-06-01	22.52
2011-07-01	22.35
2011-08-01	22.54
2011-09-01	22.12
2011-10-01	22.90
2011-11-01	22.63
2011-12-01	23.28
2012-01-01	22.72
2012-02-01	22.87
2012-03-01	23.02
2012-04-01	23.12
2012-05-01	23.58
2012-06-01	23.08
2012-07-01	23.44
2012-08-01	23.49
2012-09-01	23.57
2012-10-01	23.23
2012-11-01	22.95
2012-12-01	23.90
2013-01-01	23.11
2013-02-01	23.83
2013-03-01	23.49
2013-04-01	23.66
2013-05-01	22.92
2013-06-01	23.65
2013-07-01	23.31
2013-08-01	23.22
2013-09-01	23.21
2013-10-01	23.09
2013-11-01	22.37
2013-12-01	23.12
2014-01-01	22.35
2014-02-01	22.80
2014-03-01	22.88
2014-04-01	23.29
2014-05-01	22.52
2014-06-01	23.32
2014-07-01	23.51
2014-08-01	24.00
2014-09-01	24.00
2014-10-01	24.03
2014-11-01	24.26
2014-12-01	24.24
2015-01-01	23.38
2015-02-01	24.52
2015-03-01	24.27
2015-04-01	25.25
2015-05-01	24.17
2015-06-01	24.35
2015-07-01	24.63
2015-08-01	24.08
2015-09-01	24.33
2015-10-01	25.01
2015-11-01	24.96
2015-12-01	24.94
2016-01-01	25.02
2016-02-01	24.86
2016-03-01	24.73
2016-04-01	24.54
2016-05-01	23.66
2016-06-01	25.03
2016-07-01	24.97
2016-08-01	25.15
2016-09-01	24.45
2016-10-01	24.99
2016-11-01	25.04
2016-12-01	25.46
2017-01-01	25.47
2017-02-01	25.74
2017-03-01	25.82
2017-04-01	26.30
2017-05-01	25.06
2017-06-01	25.29
2017-07-01	25.90
2017-08-01	25.23
2017-09-01	25.42
2017-10-01	25.04
2017-11-01	25.47
2017-12-01	25.84
2018-01-01	25.32
2018-02-01	24.94
2018-03-01	25.77
2018-04-01	24.32
2018-05-01	25.56
2018-06-01	24.92
2018-07-01	24.83
2018-08-01	25.06