Month	eRatio
1960-01-01	1.76
1960-02-01	1.67
1960-03-01	1.69
1960-04-01	1.71
1960-05-01	1.78
1960-06-01	1.71
1960-07-01	1.92
1960-08-01	1.82
1960-09-01	1.70
1960-10-01	1.71
1960-11-01	1.79
1960-12-01	1.85
1961-01-01	1.97
1961-02-01	1.80
1961-03-01	1.75
1961-04-01	1.75
1961-05-01	1.76
1961-06-01	1.66
1961-07-01	1.89
1961-08-01	1.73
1961-09-01	1.63
1961-10-01	1.62
1961-11-01	1.67
1961-12-01	1.74
1962-01-01	1.80
1962-02-01	1.67
1962-03-01	1.64
1962-04-01	1.65
1962-05-01	1.70
1962-06-01	1.66
1962-07-01	1.86
1962-08-01	1.74
1962-09-01	1.66
1962-10-01	1.65
1962-11-01	1.69
1962-12-01	1.83
1963-01-01	1.86
1963-02-01	1.69
1963-03-01	1.67
1963-04-01	1.65
1963-05-01	1.69
1963-06-01	1.62
1963-07-01	1.78
1963-08-01	1.73
1963-09-01	1.63
1963-10-01	1.60
1963-11-01	1.67
1963-12-01	1.72
1964-01-01	1.75
1964-02-01	1.64
1964-03-01	1.63
1964-04-01	1.60
1964-05-01	1.63
1964-06-01	1.58
1964-07-01	1.73
1964-08-01	1.69
1964-09-01	1.57
1964-10-01	1.61
1964-11-01	1.66
1964-12-01	1.67
1965-01-01	1.73
1965-02-01	1.61
1965-03-01	1.54
1965-04-01	1.54
1965-05-01	1.60
1965-06-01	1.54
1965-07-01	1.70
1965-08-01	1.64
1965-09-01	1.59
1965-10-01	1.55
1965-11-01	1.58
1965-12-01	1.63
1966-01-01	1.69
1966-02-01	1.58
1966-03-01	1.53
1966-04-01	1.56
1966-05-01	1.59
1966-06-01	1.54
1966-07-01	1.78
1966-08-01	1.69
1966-09-01	1.59
1966-10-01	1.60
1966-11-01	1.69
1966-12-01	1.75
1967-01-01	1.86
1967-02-01	1.75
1967-03-01	1.70
1967-04-01	1.75
1967-05-01	1.77
1967-06-01	1.70
1967-07-01	1.93
1967-08-01	1.80
1967-09-01	1.71
1967-10-01	1.73
1967-11-01	1.75
1967-12-01	1.76
1968-01-01	1.84
1968-02-01	1.73
1968-03-01	1.69
1968-04-01	1.73
1968-05-01	1.73
1968-06-01	1.66
1968-07-01	1.85
1968-08-01	1.86
1968-09-01	1.68
1968-10-01	1.66
1968-11-01	1.72
1968-12-01	1.82
1969-01-01	1.87
1969-02-01	1.74
1969-03-01	1.70
1969-04-01	1.75
1969-05-01	1.78
1969-06-01	1.68
1969-07-01	1.91
1969-08-01	1.82
1969-09-01	1.69
1969-10-01	1.69
1969-11-01	1.79
1969-12-01	1.88
1970-01-01	1.97
1970-02-01	1.84
1970-03-01	1.82
1970-04-01	1.89
1970-05-01	1.88
1970-06-01	1.77
1970-07-01	2.02
1970-08-01	1.94
1970-09-01	1.82
1970-10-01	1.89
1970-11-01	2.00
1970-12-01	1.99
1971-01-01	2.04
1971-02-01	1.86
1971-03-01	1.79
1971-04-01	1.83
1971-05-01	1.83
1971-06-01	1.71
1971-07-01	1.96
1971-08-01	1.86
1971-09-01	1.74
1971-10-01	1.75
1971-11-01	1.78
1971-12-01	1.85
1972-01-01	1.87
1972-02-01	1.73
1972-03-01	1.67
1972-04-01	1.68
1972-05-01	1.68
1972-06-01	1.60
1972-07-01	1.83
1972-08-01	1.70
1972-09-01	1.56
1972-10-01	1.56
1972-11-01	1.59
1972-12-01	1.67
1973-01-01	1.70
1973-02-01	1.57
1973-03-01	1.53
1973-04-01	1.56
1973-05-01	1.57
1973-06-01	1.50
1973-07-01	1.69
1973-08-01	1.63
1973-09-01	1.55
1973-10-01	1.53
1973-11-01	1.58
1973-12-01	1.72
1974-01-01	1.75
1974-02-01	1.63
1974-03-01	1.59
1974-04-01	1.62
1974-05-01	1.61
1974-06-01	1.56
1974-07-01	1.76
1974-08-01	1.67
1974-09-01	1.60
1974-10-01	1.61
1974-11-01	1.72
1974-12-01	1.97
1975-01-01	2.05
1975-02-01	1.91
1975-03-01	1.89
1975-04-01	1.86
1975-05-01	1.89
1975-06-01	1.76
1975-07-01	1.95
1975-08-01	1.80
1975-09-01	1.68
1975-10-01	1.69
1975-11-01	1.78
1975-12-01	1.87
1976-01-01	1.88
1976-02-01	1.72
1976-03-01	1.64
1976-04-01	1.66
1976-05-01	1.67
1976-06-01	1.59
1976-07-01	1.81
1976-08-01	1.70
1976-09-01	1.61
1976-10-01	1.66
1976-11-01	1.69
1976-12-01	1.74
1977-01-01	1.81
1977-02-01	1.64
1977-03-01	1.54
1977-04-01	1.59
1977-05-01	1.61
1977-06-01	1.52
1977-07-01	1.75
1977-08-01	1.64
1977-09-01	1.53
1977-10-01	1.53
1977-11-01	1.61
1977-12-01	1.66
1978-01-01	1.79
1978-02-01	1.60
1978-03-01	1.53
1978-04-01	1.53
1978-05-01	1.56
1978-06-01	1.49
1978-07-01	1.73
1978-08-01	1.59
1978-09-01	1.49
1978-10-01	1.48
1978-11-01	1.55
1978-12-01	1.61
1979-01-01	1.69
1979-02-01	1.56
1979-03-01	1.45
1979-04-01	1.59
1979-05-01	1.53
1979-06-01	1.50
1979-07-01	1.69
1979-08-01	1.61
1979-09-01	1.52
1979-10-01	1.52
1979-11-01	1.61
1979-12-01	1.66
1980-01-01	1.72
1980-02-01	1.58
1980-03-01	1.57
1980-04-01	1.71
1980-05-01	1.76
1980-06-01	1.68
1980-07-01	1.88
1980-08-01	1.74
1980-09-01	1.57
1980-10-01	1.54
1980-11-01	1.61
1980-12-01	1.65
1981-01-01	1.74
1981-02-01	1.61
1981-03-01	1.54
1981-04-01	1.60
1981-05-01	1.62
1981-06-01	1.52
1981-07-01	1.74
1981-08-01	1.65
1981-09-01	1.59
1981-10-01	1.64
1981-11-01	1.74
1981-12-01	1.78
1982-01-01	2.14
1982-02-01	1.95
1982-03-01	1.88
1982-04-01	1.97
1982-05-01	1.92
1982-06-01	1.81
1982-07-01	2.08
1982-08-01	1.97
1982-09-01	1.83
1982-10-01	1.92
1982-11-01	1.99
1982-12-01	2.00
1983-01-01	2.06
1983-02-01	1.91
1983-03-01	1.78
1983-04-01	1.85
1983-05-01	1.81
1983-06-01	1.66
1983-07-01	1.90
1983-08-01	1.77
1983-09-01	1.63
1983-10-01	1.67
1983-11-01	1.71
1983-12-01	1.70
1984-01-01	1.81
1984-02-01	1.69
1984-03-01	1.62
1984-04-01	1.71
1984-05-01	1.72
1984-06-01	1.63
1984-07-01	1.88
1984-08-01	1.77
1984-09-01	1.69
1984-10-01	1.72
1984-11-01	1.76
1984-12-01	1.77
1985-01-01	1.91
1985-02-01	1.76
1985-03-01	1.66
1985-04-01	1.76
1985-05-01	1.73
1985-06-01	1.65
1985-07-01	1.89
1985-08-01	1.75
1985-09-01	1.63
1985-10-01	1.67
1985-11-01	1.69
1985-12-01	1.72
1986-01-01	1.82
1986-02-01	1.70
1986-03-01	1.66
1986-04-01	1.70
1986-05-01	1.71
1986-06-01	1.59
1986-07-01	1.85
1986-08-01	1.71
1986-09-01	1.56
1986-10-01	1.61
1986-11-01	1.67
1986-12-01	1.63
1987-01-01	1.80
1987-02-01	1.60
1987-03-01	1.53
1987-04-01	1.61
1987-05-01	1.62
1987-06-01	1.49
1987-07-01	1.71
1987-08-01	1.64
1987-09-01	1.48
1987-10-01	1.52
1987-11-01	1.58
1987-12-01	1.58
1988-01-01	1.74
1988-02-01	1.60
1988-03-01	1.50
1988-04-01	1.58
1988-05-01	1.58
1988-06-01	1.46
1988-07-01	1.73
1988-08-01	1.59
1988-09-01	1.47
1988-10-01	1.53
1988-11-01	1.58
1988-12-01	1.56
1989-01-01	1.71
1989-02-01	1.60
1989-03-01	1.54
1989-04-01	1.60
1989-05-01	1.61
1989-06-01	1.53
1989-07-01	1.85
1989-08-01	1.65
1989-09-01	1.55
1989-10-01	1.61
1989-11-01	1.66
1989-12-01	1.66
1990-01-01	1.86
1990-02-01	1.67
1990-03-01	1.56
1990-04-01	1.67
1990-05-01	1.64
1990-06-01	1.53
1990-07-01	1.81
1990-08-01	1.62
1990-09-01	1.54
1990-10-01	1.56
1990-11-01	1.67
1990-12-01	1.70
1991-01-01	1.88
1991-02-01	1.75
1991-03-01	1.69
1991-04-01	1.70
1991-05-01	1.65
1991-06-01	1.55
1991-07-01	1.78
1991-08-01	1.62
1991-09-01	1.51
1991-10-01	1.53
1991-11-01	1.58
1991-12-01	1.65
1992-01-01	1.79
1992-02-01	1.63
1992-03-01	1.51
1992-04-01	1.58
1992-05-01	1.56
1992-06-01	1.43
1992-07-01	1.70
1992-08-01	1.60
1992-09-01	1.46
1992-10-01	1.51
1992-11-01	1.54
1992-12-01	1.51
1993-01-01	1.68
1993-02-01	1.53
1993-03-01	1.43
1993-04-01	1.53
1993-05-01	1.52
1993-06-01	1.40
1993-07-01	1.70
1993-08-01	1.54
1993-09-01	1.41
1993-10-01	1.45
1993-11-01	1.48
1993-12-01	1.47
1994-01-01	1.62
1994-02-01	1.48
1994-03-01	1.38
1994-04-01	1.47
1994-05-01	1.45
1994-06-01	1.34
1994-07-01	1.64
1994-08-01	1.43
1994-09-01	1.35
1994-10-01	1.40
1994-11-01	1.42
1994-12-01	1.40
1995-01-01	1.54
1995-02-01	1.43
1995-03-01	1.35
1995-04-01	1.46
1995-05-01	1.45
1995-06-01	1.34
1995-07-01	1.65
1995-08-01	1.44
1995-09-01	1.35
1995-10-01	1.41
1995-11-01	1.44
1995-12-01	1.43
1996-01-01	1.62
1996-02-01	1.48
1996-03-01	1.39
1996-04-01	1.46
1996-05-01	1.41
1996-06-01	1.33
1996-07-01	1.58
1996-08-01	1.42
1996-09-01	1.32
1996-10-01	1.38
1996-11-01	1.40
1996-12-01	1.40
1997-01-01	1.53
1997-02-01	1.40
1997-03-01	1.31
1997-04-01	1.38
1997-05-01	1.39
1997-06-01	1.27
1997-07-01	1.51
1997-08-01	1.37
1997-09-01	1.26
1997-10-01	1.32
1997-11-01	1.37
1997-12-01	1.34
1998-01-01	1.53
1998-02-01	1.39
1998-03-01	1.29
1998-04-01	1.40
1998-05-01	1.40
1998-06-01	1.30
1998-07-01	1.57
1998-08-01	1.41
1998-09-01	1.29
1998-10-01	1.35
1998-11-01	1.40
1998-12-01	1.35
1999-01-01	1.52
1999-02-01	1.38
1999-03-01	1.27
1999-04-01	1.37
1999-05-01	1.36
1999-06-01	1.24
1999-07-01	1.51
1999-08-01	1.33
1999-09-01	1.25
1999-10-01	1.32
1999-11-01	1.35
1999-12-01	1.32
2000-01-01	1.47
2000-02-01	1.37
2000-03-01	1.24
2000-04-01	1.37
2000-05-01	1.33
2000-06-01	1.23
2000-07-01	1.52
2000-08-01	1.35
2000-09-01	1.27
2000-10-01	1.35
2000-11-01	1.41
2000-12-01	1.37
2001-01-01	1.54
2001-02-01	1.44
2001-03-01	1.30
2001-04-01	1.46
2001-05-01	1.35
2001-06-01	1.29
2001-07-01	1.53
2001-08-01	1.33
2001-09-01	1.33
2001-10-01	1.33
2001-11-01	1.37
2001-12-01	1.33
2002-01-01	1.44
2002-02-01	1.38
2002-03-01	1.23
2002-04-01	1.29
2002-05-01	1.24
2002-06-01	1.21
2002-07-01	1.40
2002-08-01	1.25
2002-09-01	1.21
2002-10-01	1.23
2002-11-01	1.30
2002-12-01	1.30
2003-01-01	1.37
2003-02-01	1.35
2003-03-01	1.19
2003-04-01	1.31
2003-05-01	1.26
2003-06-01	1.18
2003-07-01	1.33
2003-08-01	1.23
2003-09-01	1.15
2003-10-01	1.16
2003-11-01	1.25
2003-12-01	1.18
2004-01-01	1.30
2004-02-01	1.25
2004-03-01	1.09
2004-04-01	1.19
2004-05-01	1.18
2004-06-01	1.11
2004-07-01	1.29
2004-08-01	1.16
2004-09-01	1.13
2004-10-01	1.16
2004-11-01	1.20
2004-12-01	1.15
2005-01-01	1.28
2005-02-01	1.26
2005-03-01	1.11
2005-04-01	1.19
2005-05-01	1.16
2005-06-01	1.09
2005-07-01	1.28
2005-08-01	1.12
2005-09-01	1.09
2005-10-01	1.14
2005-11-01	1.17
2005-12-01	1.13
2006-01-01	1.26
2006-02-01	1.25
2006-03-01	1.09
2006-04-01	1.23
2006-05-01	1.14
2006-06-01	1.11
2006-07-01	1.30
2006-08-01	1.16
2006-09-01	1.21
2006-10-01	1.24
2006-11-01	1.28
2006-12-01	1.23
2007-01-01	1.35
2007-02-01	1.34
2007-03-01	1.16
2007-04-01	1.24
2007-05-01	1.18
2007-06-01	1.15
2007-07-01	1.29
2007-08-01	1.17
2007-09-01	1.20
2007-10-01	1.18
2007-11-01	1.23
2007-12-01	1.23
2008-01-01	1.31
2008-02-01	1.29
2008-03-01	1.21
2008-04-01	1.21
2008-05-01	1.18
2008-06-01	1.13
2008-07-01	1.22
2008-08-01	1.21
2008-09-01	1.22
2008-10-01	1.26
2008-11-01	1.46
2008-12-01	1.40
2009-01-01	1.59
2009-02-01	1.56
2009-03-01	1.40
2009-04-01	1.46
2009-05-01	1.44
2009-06-01	1.31
2009-07-01	1.42
2009-08-01	1.34
2009-09-01	1.28
2009-10-01	1.30
2009-11-01	1.36
2009-12-01	1.27
2010-01-01	1.40
2010-02-01	1.41
2010-03-01	1.21
2010-04-01	1.27
2010-05-01	1.27
2010-06-01	1.21
2010-07-01	1.32
2010-08-01	1.25
2010-09-01	1.23
2010-10-01	1.27
2010-11-01	1.32
2010-12-01	1.26
2011-01-01	1.38
2011-02-01	1.39
2011-03-01	1.18
2011-04-01	1.29
2011-05-01	1.27
2011-06-01	1.21
2011-07-01	1.35
2011-08-01	1.24
2011-09-01	1.25
2011-10-01	1.29
2011-11-01	1.33
2011-12-01	1.29
2012-01-01	1.40
2012-02-01	1.35
2012-03-01	1.22
2012-04-01	1.31
2012-05-01	1.25
2012-06-01	1.25
2012-07-01	1.36
2012-08-01	1.26
2012-09-01	1.29
2012-10-01	1.27
2012-11-01	1.33
2012-12-01	1.31
2013-01-01	1.39
2013-02-01	1.39
2013-03-01	1.25
2013-04-01	1.31
2013-05-01	1.26
2013-06-01	1.25
2013-07-01	1.33
2013-08-01	1.26
2013-09-01	1.26
2013-10-01	1.26
2013-11-01	1.32
2013-12-01	1.28
2014-01-01	1.39
2014-02-01	1.40
2014-03-01	1.24
2014-04-01	1.30
2014-05-01	1.28
2014-06-01	1.24
2014-07-01	1.33
2014-08-01	1.28
2014-09-01	1.26
2014-10-01	1.28
2014-11-01	1.41
2014-12-01	1.32
2015-01-01	1.50
2015-02-01	1.49
2015-03-01	1.30
2015-04-01	1.37
2015-05-01	1.38
2015-06-01	1.30
2015-07-01	1.43
2015-08-01	1.38
2015-09-01	1.34
2015-10-01	1.38
2015-11-01	1.46
2015-12-01	1.41
2016-01-01	1.58
2016-02-01	1.49
2016-03-01	1.33
2016-04-01	1.44
2016-05-01	1.40
2016-06-01	1.31
2016-07-01	1.50
2016-08-01	1.36
2016-09-01	1.34
2016-10-01	1.39
2016-11-01	1.44
2016-12-01	1.36
2017-01-01	1.50
2017-02-01	1.49
2017-03-01	1.29
2017-04-01	1.42
2017-05-01	1.34
2017-06-01	1.29
2017-07-01	1.46
2017-08-01	1.32
2017-09-01	1.33
2017-10-01	1.35
2017-11-01	1.38
2017-12-01	1.37
2018-01-01	1.45
2018-02-01	1.47
2018-03-01	1.28
2018-04-01	1.37
2018-05-01	1.31
2018-06-01	1.27
2018-07-01	1.41
2018-08-01	1.29
2018-09-01	1.31