Month	National Currency
1960-01-01	2.13
1960-02-01	2.14
1960-03-01	2.14
1960-04-01	2.14
1960-05-01	2.14
1960-06-01	2.14
1960-07-01	2.14
1960-08-01	2.15
1960-09-01	2.16
1960-10-01	2.16
1960-11-01	2.15
1960-12-01	2.16
1961-01-01	2.16
1961-02-01	2.16
1961-03-01	2.16
1961-04-01	2.18
1961-05-01	2.19
1961-06-01	2.20
1961-07-01	2.21
1961-08-01	2.22
1961-09-01	2.20
1961-10-01	2.23
1961-11-01	2.23
1961-12-01	2.24
1962-01-01	2.25
1962-02-01	2.26
1962-03-01	2.26
1962-04-01	2.26
1962-05-01	2.27
1962-06-01	2.26
1962-07-01	2.27
1962-08-01	2.28
1962-09-01	2.28
1962-10-01	2.29
1962-11-01	2.29
1962-12-01	2.29
1963-01-01	2.30
1963-02-01	2.31
1963-03-01	2.32
1963-04-01	2.32
1963-05-01	2.33
1963-06-01	2.34
1963-07-01	2.35
1963-08-01	2.34
1963-09-01	2.36
1963-10-01	2.36
1963-11-01	2.37
1963-12-01	2.38
1964-01-01	2.38
1964-02-01	2.38
1964-03-01	2.38
1964-04-01	2.40
1964-05-01	2.40
1964-06-01	2.41
1964-07-01	2.41
1964-08-01	2.42
1964-09-01	2.44
1964-10-01	2.40
1964-11-01	2.42
1964-12-01	2.44
1965-01-01	2.45
1965-02-01	2.46
1965-03-01	2.47
1965-04-01	2.47
1965-05-01	2.49
1965-06-01	2.49
1965-07-01	2.49
1965-08-01	2.50
1965-09-01	2.51
1965-10-01	2.52
1965-11-01	2.52
1965-12-01	2.53
1966-01-01	2.54
1966-02-01	2.56
1966-03-01	2.56
1966-04-01	2.58
1966-05-01	2.58
1966-06-01	2.58
1966-07-01	2.60
1966-08-01	2.61
1966-09-01	2.63
1966-10-01	2.64
1966-11-01	2.65
1966-12-01	2.64
1967-01-01	2.65
1967-02-01	2.67
1967-03-01	2.67
1967-04-01	2.68
1967-05-01	2.69
1967-06-01	2.69
1967-07-01	2.71
1967-08-01	2.73
1967-09-01	2.73
1967-10-01	2.74
1967-11-01	2.75
1967-12-01	2.77
1968-01-01	2.81
1968-02-01	2.82
1968-03-01	2.84
1968-04-01	2.85
1968-05-01	2.87
1968-06-01	2.88
1968-07-01	2.89
1968-08-01	2.89
1968-09-01	2.92
1968-10-01	2.94
1968-11-01	2.96
1968-12-01	2.97
1969-01-01	2.99
1969-02-01	3.00
1969-03-01	3.01
1969-04-01	3.03
1969-05-01	3.04
1969-06-01	3.05
1969-07-01	3.08
1969-08-01	3.10
1969-09-01	3.12
1969-10-01	3.13
1969-11-01	3.14
1969-12-01	3.15
1970-01-01	3.17
1970-02-01	3.17
1970-03-01	3.19
1970-04-01	3.20
1970-05-01	3.22
1970-06-01	3.23
1970-07-01	3.25
1970-08-01	3.24
1970-09-01	3.30
1970-10-01	3.25
1970-11-01	3.26
1970-12-01	3.35
1971-01-01	3.38
1971-02-01	3.39
1971-03-01	3.39
1971-04-01	3.42
1971-05-01	3.43
1971-06-01	3.45
1971-07-01	3.45
1971-08-01	3.45
1971-09-01	3.49
1971-10-01	3.49
1971-11-01	3.49
1971-12-01	3.58
1972-01-01	3.60
1972-02-01	3.61
1972-03-01	3.63
1972-04-01	3.66
1972-05-01	3.67
1972-06-01	3.68
1972-07-01	3.68
1972-08-01	3.70
1972-09-01	3.76
1972-10-01	3.77
1972-11-01	3.79
1972-12-01	3.86
1973-01-01	3.88
1973-02-01	3.87
1973-03-01	3.88
1973-04-01	3.91
1973-05-01	3.93
1973-06-01	3.95
1973-07-01	3.97
1973-08-01	3.97
1973-09-01	4.04
1973-10-01	4.04
1973-11-01	4.07
1973-12-01	4.12
1974-01-01	4.12
1974-02-01	4.12
1974-03-01	4.15
1974-04-01	4.16
1974-05-01	4.24
1974-06-01	4.29
1974-07-01	4.32
1974-08-01	4.35
1974-09-01	4.43
1974-10-01	4.47
1974-11-01	4.49
1974-12-01	4.56
1975-01-01	4.56
1975-02-01	4.58
1975-03-01	4.62
1975-04-01	4.62
1975-05-01	4.64
1975-06-01	4.67
1975-07-01	4.70
1975-08-01	4.72
1975-09-01	4.79
1975-10-01	4.80
1975-11-01	4.83
1975-12-01	4.90
1976-01-01	4.92
1976-02-01	4.94
1976-03-01	4.97
1976-04-01	4.98
1976-05-01	5.03
1976-06-01	5.06
1976-07-01	5.10
1976-08-01	5.13
1976-09-01	5.22
1976-10-01	5.20
1976-11-01	5.25
1976-12-01	5.34
1977-01-01	5.37
1977-02-01	5.36
1977-03-01	5.40
1977-04-01	5.44
1977-05-01	5.48
1977-06-01	5.53
1977-07-01	5.57
1977-08-01	5.57
1977-09-01	5.67
1977-10-01	5.69
1977-11-01	5.73
1977-12-01	5.80
1978-01-01	5.85
1978-02-01	5.86
1978-03-01	5.88
1978-04-01	5.92
1978-05-01	5.95
1978-06-01	5.99
1978-07-01	6.06
1978-08-01	6.04
1978-09-01	6.16
1978-10-01	6.21
1978-11-01	6.27
1978-12-01	6.36
1979-01-01	6.38
1979-02-01	6.41
1979-03-01	6.45
1979-04-01	6.43
1979-05-01	6.51
1979-06-01	6.54
1979-07-01	6.59
1979-08-01	6.57
1979-09-01	6.68
1979-10-01	6.70
1979-11-01	6.75
1979-12-01	6.85
1980-01-01	6.84
1980-02-01	6.88
1980-03-01	6.94
1980-04-01	6.97
1980-05-01	7.01
1980-06-01	7.08
1980-07-01	7.16
1980-08-01	7.18
1980-09-01	7.30
1980-10-01	7.37
1980-11-01	7.47
1980-12-01	7.58
1981-01-01	7.61
1981-02-01	7.62
1981-03-01	7.68
1981-04-01	7.76
1981-05-01	7.80
1981-06-01	7.85
1981-07-01	7.89
1981-08-01	7.90
1981-09-01	8.03
1981-10-01	8.04
1981-11-01	8.08
1981-12-01	8.14
1982-01-01	8.29
1982-02-01	8.21
1982-03-01	8.24
1982-04-01	8.28
1982-05-01	8.32
1982-06-01	8.36
1982-07-01	8.41
1982-08-01	8.37
1982-09-01	8.45
1982-10-01	8.41
1982-11-01	8.46
1982-12-01	8.54
1983-01-01	8.56
1983-02-01	8.60
1983-03-01	8.59
1983-04-01	8.62
1983-05-01	8.64
1983-06-01	8.66
1983-07-01	8.71
1983-08-01	8.64
1983-09-01	8.76
1983-10-01	8.77
1983-11-01	8.84
1983-12-01	8.92
1984-01-01	8.95
1984-02-01	8.94
1984-03-01	8.97
1984-04-01	8.99
1984-05-01	8.99
1984-06-01	9.02
1984-07-01	9.05
1984-08-01	9.02
1984-09-01	9.11
1984-10-01	9.11
1984-11-01	9.18
1984-12-01	9.27
1985-01-01	9.31
1985-02-01	9.31
1985-03-01	9.33
1985-04-01	9.37
1985-05-01	9.36
1985-06-01	9.38
1985-07-01	9.42
1985-08-01	9.36
1985-09-01	9.43
1985-10-01	9.43
1985-11-01	9.50
1985-12-01	9.61
1986-01-01	9.57
1986-02-01	9.57
1986-03-01	9.59
1986-04-01	9.58
1986-05-01	9.58
1986-06-01	9.57
1986-07-01	9.59
1986-08-01	9.54
1986-09-01	9.60
1986-10-01	9.59
1986-11-01	9.65
1986-12-01	9.71
1987-01-01	9.70
1987-02-01	9.71
1987-03-01	9.72
1987-04-01	9.73
1987-05-01	9.73
1987-06-01	9.73
1987-07-01	9.73
1987-08-01	9.72
1987-09-01	9.85
1987-10-01	9.81
1987-11-01	9.87
1987-12-01	9.94
1988-01-01	9.95
1988-02-01	9.92
1988-03-01	9.95
1988-04-01	10.00
1988-05-01	10.02
1988-06-01	10.03
1988-07-01	10.04
1988-08-01	10.00
1988-09-01	10.13
1988-10-01	10.13
1988-11-01	10.20
1988-12-01	10.25
1989-01-01	10.26
1989-02-01	10.26
1989-03-01	10.29
1989-04-01	10.29
1989-05-01	10.30
1989-06-01	10.32
1989-07-01	10.35
1989-08-01	10.32
1989-09-01	10.43
1989-10-01	10.40
1989-11-01	10.45
1989-12-01	10.53
1990-01-01	10.52
1990-02-01	10.61
1990-03-01	10.69
1990-04-01	10.68
1990-05-01	10.75
1990-06-01	10.79
1990-07-01	10.81
1990-08-01	10.76
1990-09-01	10.89
1990-10-01	10.90
1990-11-01	10.90
1990-12-01	11.00
1991-01-01	10.98
1991-02-01	10.95
1991-03-01	10.99
1991-04-01	11.05
1991-05-01	11.09
1991-06-01	11.13
1991-07-01	11.17
1991-08-01	11.13
1991-09-01	11.24
1991-10-01	11.22
1991-11-01	11.27
1991-12-01	11.34
1992-01-01	11.24
1992-02-01	11.28
1992-03-01	11.32
1992-04-01	11.36
1992-05-01	11.40
1992-06-01	11.41
1992-07-01	11.40
1992-08-01	11.40
1992-09-01	11.48
1992-10-01	11.44
1992-11-01	11.49
1992-12-01	11.58
1993-01-01	11.56
1993-02-01	11.56
1993-03-01	11.58
1993-04-01	11.64
1993-05-01	11.66
1993-06-01	11.66
1993-07-01	11.66
1993-08-01	11.65
1993-09-01	11.80
1993-10-01	11.76
1993-11-01	11.83
1993-12-01	11.96
1994-01-01	11.92
1994-02-01	11.96
1994-03-01	11.95
1994-04-01	11.98
1994-05-01	11.98
1994-06-01	11.99
1994-07-01	12.00
1994-08-01	11.99
1994-09-01	12.13
1994-10-01	12.09
1994-11-01	12.16
1994-12-01	12.25
1995-01-01	12.22
1995-02-01	12.24
1995-03-01	12.25
1995-04-01	12.27
1995-05-01	12.27
1995-06-01	12.29
1995-07-01	12.35
1995-08-01	12.33
1995-09-01	12.45
1995-10-01	12.41
1995-11-01	12.46
1995-12-01	12.57
1996-01-01	12.63
1996-02-01	12.55
1996-03-01	12.50
1996-04-01	12.70
1996-05-01	12.69
1996-06-01	12.73
1996-07-01	12.76
1996-08-01	12.76
1996-09-01	12.88
1996-10-01	12.81
1996-11-01	12.89
1996-12-01	13.05
1997-01-01	13.01
1997-02-01	12.98
1997-03-01	13.04
1997-04-01	13.05
1997-05-01	13.05
1997-06-01	13.06
1997-07-01	13.05
1997-08-01	13.11
1997-09-01	13.20
1997-10-01	13.26
1997-11-01	13.34
1997-12-01	13.45
1998-01-01	13.37
1998-02-01	13.38
1998-03-01	13.43
1998-04-01	13.41
1998-05-01	13.44
1998-06-01	13.39
1998-07-01	13.28
1998-08-01	13.40
1998-09-01	13.56
1998-10-01	13.51
1998-11-01	13.56
1998-12-01	13.65
1999-01-01	13.61
1999-02-01	13.62
1999-03-01	13.68
1999-04-01	13.74
1999-05-01	13.78
1999-06-01	13.83
1999-07-01	13.84
1999-08-01	13.87
1999-09-01	14.05
1999-10-01	13.98
1999-11-01	14.03
1999-12-01	14.16
2000-01-01	14.16
2000-02-01	14.13
2000-03-01	14.17
2000-04-01	14.23
2000-05-01	14.20
2000-06-01	14.27
2000-07-01	14.28
2000-08-01	14.30
2000-09-01	14.45
2000-10-01	14.48
2000-11-01	14.55
2000-12-01	14.61
2001-01-01	14.52
2001-02-01	14.55
2001-03-01	14.57
2001-04-01	14.63
2001-05-01	14.66
2001-06-01	14.72
2001-07-01	14.76
2001-08-01	14.81
2001-09-01	14.92
2001-10-01	14.88
2001-11-01	15.00
2001-12-01	15.12
2002-01-01	15.09
2002-02-01	15.11
2002-03-01	15.14
2002-04-01	15.16
2002-05-01	15.20
2002-06-01	15.24
2002-07-01	15.23
2002-08-01	15.30
2002-09-01	15.41
2002-10-01	15.45
2002-11-01	15.52
2002-12-01	15.65
2003-01-01	15.61
2003-02-01	15.63
2003-03-01	15.62
2003-04-01	15.62
2003-05-01	15.64
2003-06-01	15.69
2003-07-01	15.68
2003-08-01	15.76
2003-09-01	15.87
2003-10-01	15.81
2003-11-01	15.92
2003-12-01	16.04
2004-01-01	15.97
2004-02-01	15.98
2004-03-01	15.99
2004-04-01	16.05
2004-05-01	16.04
2004-06-01	16.08
2004-07-01	16.03
2004-08-01	16.16
2004-09-01	16.36
2004-10-01	16.26
2004-11-01	16.32
2004-12-01	16.46
2005-01-01	16.42
2005-02-01	16.43
2005-03-01	16.42
2005-04-01	16.46
2005-05-01	16.50
2005-06-01	16.52
2005-07-01	16.49
2005-08-01	16.59
2005-09-01	16.65
2005-10-01	16.69
2005-11-01	16.69
2005-12-01	16.79
2006-01-01	16.74
2006-02-01	16.70
2006-03-01	16.69
2006-04-01	16.74
2006-05-01	16.74
2006-06-01	16.76
2006-07-01	16.70
2006-08-01	16.80
2006-09-01	16.89
2006-10-01	16.90
2006-11-01	16.94
2006-12-01	17.11
2007-01-01	17.06
2007-02-01	17.04
2007-03-01	17.08
2007-04-01	17.21
2007-05-01	17.21
2007-06-01	17.28
2007-07-01	17.22
2007-08-01	17.32
2007-09-01	17.40
2007-10-01	17.35
2007-11-01	17.43
2007-12-01	17.53
2008-01-01	17.55
2008-02-01	17.57
2008-03-01	17.62
2008-04-01	17.65
2008-05-01	17.65
2008-06-01	17.73
2008-07-01	17.74
2008-08-01	17.76
2008-09-01	17.85
2008-10-01	17.87
2008-11-01	17.95
2008-12-01	18.07
2009-01-01	18.05
2009-02-01	18.10
2009-03-01	18.12
2009-04-01	18.16
2009-05-01	18.12
2009-06-01	18.15
2009-07-01	18.22
2009-08-01	18.27
2009-09-01	18.45
2009-10-01	18.34
2009-11-01	18.41
2009-12-01	18.48
2010-01-01	18.49
2010-02-01	18.49
2010-03-01	18.47
2010-04-01	18.52
2010-05-01	18.57
2010-06-01	18.54
2010-07-01	18.56
2010-08-01	18.58
2010-09-01	18.75
2010-10-01	18.70
2010-11-01	18.75
2010-12-01	18.86
2011-01-01	18.97
2011-02-01	18.93
2011-03-01	18.90
2011-04-01	18.92
2011-05-01	18.91
2011-06-01	18.87
2011-07-01	18.90
2011-08-01	18.82
2011-09-01	18.93
2011-10-01	18.96
2011-11-01	18.95
2011-12-01	19.07
2012-01-01	19.10
2012-02-01	19.03
2012-03-01	19.02
2012-04-01	19.14
2012-05-01	19.01
2012-06-01	19.04
2012-07-01	19.08
2012-08-01	19.00
2012-09-01	19.07
2012-10-01	19.07
2012-11-01	19.16
2012-12-01	19.22
2013-01-01	19.23
2013-02-01	19.23
2013-03-01	19.21
2013-04-01	19.26
2013-05-01	19.22
2013-06-01	19.23
2013-07-01	19.23
2013-08-01	19.26
2013-09-01	19.34
2013-10-01	19.34
2013-11-01	19.43
2013-12-01	19.55
2014-01-01	19.50
2014-02-01	19.49
2014-03-01	19.53
2014-04-01	19.52
2014-05-01	19.51
2014-06-01	19.50
2014-07-01	19.56
2014-08-01	19.56
2014-09-01	19.60
2014-10-01	19.60
2014-11-01	19.66
2014-12-01	19.71
2015-01-01	19.68
2015-02-01	19.72
2015-03-01	19.78
2015-04-01	19.80
2015-05-01	19.83
2015-06-01	19.85
2015-07-01	19.91
2015-08-01	19.94
2015-09-01	20.09
2015-10-01	20.01
2015-11-01	20.06
2015-12-01	20.19
2016-01-01	20.17
2016-02-01	20.19
2016-03-01	20.27
2016-04-01	20.39
2016-05-01	20.40
2016-06-01	20.40
2016-07-01	20.46
2016-08-01	20.50
2016-09-01	20.57
2016-10-01	20.61
2016-11-01	20.59
2016-12-01	20.67
2017-01-01	20.68
2017-02-01	20.64
2017-03-01	20.69
2017-04-01	20.84
2017-05-01	20.77
2017-06-01	20.77
2017-07-01	20.89
2017-08-01	20.87
2017-09-01	21.02
2017-10-01	21.08
2017-11-01	21.13
2017-12-01	21.28
2018-01-01	21.32
2018-02-01	21.30
2018-03-01	21.36
2018-04-01	21.53
2018-05-01	21.38
2018-06-01	21.37
2018-07-01	21.41
2018-08-01	21.49
2018-09-01	21.62
2018-10-01	21.68