Month	Index source base
1970-01-01	0.16
1970-02-01	0.16
1970-03-01	0.16
1970-04-01	0.17
1970-05-01	0.17
1970-06-01	0.17
1970-07-01	0.17
1970-08-01	0.17
1970-09-01	0.17
1970-10-01	0.17
1970-11-01	0.17
1970-12-01	0.17
1971-01-01	0.18
1971-02-01	0.18
1971-03-01	0.18
1971-04-01	0.18
1971-05-01	0.18
1971-06-01	0.19
1971-07-01	0.19
1971-08-01	0.19
1971-09-01	0.19
1971-10-01	0.19
1971-11-01	0.20
1971-12-01	0.20
1972-01-01	0.20
1972-02-01	0.20
1972-03-01	0.20
1972-04-01	0.21
1972-05-01	0.21
1972-06-01	0.21
1972-07-01	0.21
1972-08-01	0.21
1972-09-01	0.22
1972-10-01	0.22
1972-11-01	0.22
1972-12-01	0.22
1973-01-01	0.23
1973-02-01	0.23
1973-03-01	0.24
1973-04-01	0.25
1973-05-01	0.26
1973-06-01	0.26
1973-07-01	0.27
1973-08-01	0.26
1973-09-01	0.27
1973-10-01	0.27
1973-11-01	0.28
1973-12-01	0.28
1974-01-01	0.29
1974-02-01	0.29
1974-03-01	0.30
1974-04-01	0.31
1974-05-01	0.32
1974-06-01	0.32
1974-07-01	0.32
1974-08-01	0.32
1974-09-01	0.33
1974-10-01	0.34
1974-11-01	0.35
1974-12-01	0.35
1975-01-01	0.36
1975-02-01	0.37
1975-03-01	0.38
1975-04-01	0.39
1975-05-01	0.40
1975-06-01	0.40
1975-07-01	0.40
1975-08-01	0.40
1975-09-01	0.41
1975-10-01	0.41
1975-11-01	0.41
1975-12-01	0.41
1976-01-01	0.42
1976-02-01	0.43
1976-03-01	0.44
1976-04-01	0.45
1976-05-01	0.46
1976-06-01	0.47
1976-07-01	0.48
1976-08-01	0.49
1976-09-01	0.50
1976-10-01	0.50
1976-11-01	0.52
1976-12-01	0.52
1977-01-01	0.53
1977-02-01	0.55
1977-03-01	0.58
1977-04-01	0.62
1977-05-01	0.64
1977-06-01	0.66
1977-07-01	0.67
1977-08-01	0.67
1977-09-01	0.67
1977-10-01	0.67
1977-11-01	0.67
1977-12-01	0.67
1978-01-01	0.68
1978-02-01	0.69
1978-03-01	0.71
1978-04-01	0.72
1978-05-01	0.74
1978-06-01	0.76
1978-07-01	0.76
1978-08-01	0.76
1978-09-01	0.76
1978-10-01	0.78
1978-11-01	0.79
1978-12-01	0.80
1979-01-01	0.82
1979-02-01	0.84
1979-03-01	0.87
1979-04-01	0.89
1979-05-01	0.91
1979-06-01	0.92
1979-07-01	0.93
1979-08-01	0.95
1979-09-01	0.97
1979-10-01	0.98
1979-11-01	1.01
1979-12-01	1.02
1980-01-01	1.05
1980-02-01	1.06
1980-03-01	1.08
1980-04-01	1.12
1980-05-01	1.16
1980-06-01	1.18
1980-07-01	1.19
1980-08-01	1.20
1980-09-01	1.22
1980-10-01	1.24
1980-11-01	1.27
1980-12-01	1.29
1981-01-01	1.32
1981-02-01	1.36
1981-03-01	1.39
1981-04-01	1.43
1981-05-01	1.46
1981-06-01	1.50
1981-07-01	1.53
1981-08-01	1.55
1981-09-01	1.56
1981-10-01	1.58
1981-11-01	1.61
1981-12-01	1.63
1982-01-01	1.66
1982-02-01	1.70
1982-03-01	1.74
1982-04-01	1.78
1982-05-01	1.83
1982-06-01	1.87
1982-07-01	1.89
1982-08-01	1.92
1982-09-01	1.95
1982-10-01	1.98
1982-11-01	2.01
1982-12-01	2.02
1983-01-01	2.04
1983-02-01	2.07
1983-03-01	2.11
1983-04-01	2.18
1983-05-01	2.23
1983-06-01	2.25
1983-07-01	2.27
1983-08-01	2.27
1983-09-01	2.28
1983-10-01	2.32
1983-11-01	2.35
1983-12-01	2.36
1984-01-01	2.39
1984-02-01	2.42
1984-03-01	2.47
1984-04-01	2.52
1984-05-01	2.55
1984-06-01	2.59
1984-07-01	2.62
1984-08-01	2.63
1984-09-01	2.66
1984-10-01	2.68
1984-11-01	2.73
1984-12-01	2.79
1985-01-01	2.85
1985-02-01	2.94
1985-03-01	3.03
1985-04-01	3.11
1985-05-01	3.26
1985-06-01	3.32
1985-07-01	3.30
1985-08-01	3.28
1985-09-01	3.31
1985-10-01	3.34
1985-11-01	3.37
1985-12-01	3.42
1986-01-01	3.52
1986-02-01	3.63
1986-03-01	3.72
1986-04-01	3.82
1986-05-01	3.79
1986-06-01	3.76
1986-07-01	3.76
1986-08-01	3.81
1986-09-01	3.87
1986-10-01	3.95
1986-11-01	4.03
1986-12-01	4.13
1987-01-01	4.27
1987-02-01	4.35
1987-03-01	4.47
1987-04-01	4.57
1987-05-01	4.65
1987-06-01	4.69
1987-07-01	4.76
1987-08-01	4.78
1987-09-01	4.84
1987-10-01	4.93
1987-11-01	5.03
1987-12-01	5.12
1988-01-01	5.28
1988-02-01	5.49
1988-03-01	5.65
1988-04-01	5.87
1988-05-01	5.97
1988-06-01	6.12
1988-07-01	6.20
1988-08-01	6.19
1988-09-01	6.24
1988-10-01	6.33
1988-11-01	6.42
1988-12-01	6.57
1989-01-01	6.75
1989-02-01	6.98
1989-03-01	7.15
1989-04-01	7.33
1989-05-01	7.46
1989-06-01	7.56
1989-07-01	7.68
1989-08-01	7.78
1989-09-01	7.89
1989-10-01	8.02
1989-11-01	8.16
1989-12-01	8.28
1990-01-01	8.55
1990-02-01	8.87
1990-03-01	9.13
1990-04-01	9.38
1990-05-01	9.57
1990-06-01	9.75
1990-07-01	9.88
1990-08-01	10.04
1990-09-01	10.28
1990-10-01	10.48
1990-11-01	10.69
1990-12-01	10.96
1991-01-01	11.29
1991-02-01	11.68
1991-03-01	11.97
1991-04-01	12.31
1991-05-01	12.58
1991-06-01	12.78
1991-07-01	13.01
1991-08-01	13.17
1991-09-01	13.37
1991-10-01	13.54
1991-11-01	13.71
1991-12-01	13.90
1992-01-01	14.39
1992-02-01	14.87
1992-03-01	15.21
1992-04-01	15.65
1992-05-01	16.01
1992-06-01	16.37
1992-07-01	16.70
1992-08-01	16.82
1992-09-01	16.96
1992-10-01	17.11
1992-11-01	17.23
1992-12-01	17.40
1993-01-01	17.96
1993-02-01	18.54
1993-03-01	18.89
1993-04-01	19.26
1993-05-01	19.57
1993-06-01	19.87
1993-07-01	20.12
1993-08-01	20.37
1993-09-01	20.60
1993-10-01	20.82
1993-11-01	21.09
1993-12-01	21.33
1994-01-01	22.00
1994-02-01	22.81
1994-03-01	23.32
1994-04-01	23.87
1994-05-01	24.24
1994-06-01	24.46
1994-07-01	24.68
1994-08-01	24.92
1994-09-01	25.20
1994-10-01	25.48
1994-11-01	25.76
1994-12-01	26.15
1995-01-01	26.63
1995-02-01	27.57
1995-03-01	28.29
1995-04-01	28.92
1995-05-01	29.40
1995-06-01	29.76
1995-07-01	29.99
1995-08-01	30.18
1995-09-01	30.44
1995-10-01	30.71
1995-11-01	30.95
1995-12-01	31.24
1996-01-01	32.02
1996-02-01	33.31
1996-03-01	34.01
1996-04-01	34.68
1996-05-01	35.22
1996-06-01	35.62
1996-07-01	36.16
1996-08-01	36.56
1996-09-01	37.00
1996-10-01	37.42
1996-11-01	37.72
1996-12-01	38.00
1997-01-01	38.63
1997-02-01	39.83
1997-03-01	40.45
1997-04-01	41.11
1997-05-01	41.77
1997-06-01	42.28
1997-07-01	42.63
1997-08-01	43.12
1997-09-01	43.66
1997-10-01	44.08
1997-11-01	44.44
1997-12-01	44.72
1998-01-01	45.52
1998-02-01	47.01
1998-03-01	48.24
1998-04-01	49.64
1998-05-01	50.41
1998-06-01	51.03
1998-07-01	51.27
1998-08-01	51.29
1998-09-01	51.44
1998-10-01	51.62
1998-11-01	51.71
1998-12-01	52.18
1999-01-01	53.34
1999-02-01	54.24
1999-03-01	54.75
1999-04-01	55.18
1999-05-01	55.45
1999-06-01	55.60
1999-07-01	55.77
1999-08-01	56.05
1999-09-01	56.24
1999-10-01	56.43
1999-11-01	56.70
1999-12-01	57.00
2000-01-01	57.74
2000-02-01	59.07
2000-03-01	60.08
2000-04-01	60.68
2000-05-01	60.99
2000-06-01	60.98
2000-07-01	60.96
2000-08-01	61.15
2000-09-01	61.41
2000-10-01	61.50
2000-11-01	61.71
2000-12-01	61.99
2001-01-01	62.64
2001-02-01	63.83
2001-03-01	64.77
2001-04-01	65.51
2001-05-01	65.79
2001-06-01	65.82
2001-07-01	65.89
2001-08-01	66.06
2001-09-01	66.30
2001-10-01	66.43
2001-11-01	66.50
2001-12-01	66.73
2002-01-01	67.26
2002-02-01	68.11
2002-03-01	68.59
2002-04-01	69.22
2002-05-01	69.63
2002-06-01	69.93
2002-07-01	69.94
2002-08-01	70.01
2002-09-01	70.26
2002-10-01	70.66
2002-11-01	71.20
2002-12-01	71.40
2003-01-01	72.23
2003-02-01	73.04
2003-03-01	73.80
2003-04-01	74.65
2003-05-01	75.01
2003-06-01	74.97
2003-07-01	74.86
2003-08-01	75.10
2003-09-01	75.26
2003-10-01	75.31
2003-11-01	75.57
2003-12-01	76.03
2004-01-01	76.70
2004-02-01	77.62
2004-03-01	78.39
2004-04-01	78.74
2004-05-01	79.04
2004-06-01	79.52
2004-07-01	79.50
2004-08-01	79.52
2004-09-01	79.76
2004-10-01	79.75
2004-11-01	79.97
2004-12-01	80.21
2005-01-01	80.87
2005-02-01	81.70
2005-03-01	82.33
2005-04-01	82.69
2005-05-01	83.03
2005-06-01	83.36
2005-07-01	83.40
2005-08-01	83.40
2005-09-01	83.76
2005-10-01	83.95
2005-11-01	84.05
2005-12-01	84.10
2006-01-01	84.56
2006-02-01	85.11
2006-03-01	85.71
2006-04-01	86.10
2006-05-01	86.38
2006-06-01	86.64
2006-07-01	87.00
2006-08-01	87.34
2006-09-01	87.59
2006-10-01	87.46
2006-11-01	87.67
2006-12-01	87.87
2007-01-01	88.54
2007-02-01	89.58
2007-03-01	90.67
2007-04-01	91.48
2007-05-01	91.76
2007-06-01	91.87
2007-07-01	92.02
2007-08-01	91.90
2007-09-01	91.97
2007-10-01	91.98
2007-11-01	92.42
2007-12-01	92.87
2008-01-01	93.85
2008-02-01	95.27
2008-03-01	96.04
2008-04-01	96.72
2008-05-01	97.62
2008-06-01	98.47
2008-07-01	98.94
2008-08-01	99.13
2008-09-01	98.94
2008-10-01	99.28
2008-11-01	99.56
2008-12-01	100.00
2009-01-01	100.59
2009-02-01	101.43
2009-03-01	101.94
2009-04-01	102.26
2009-05-01	102.28
2009-06-01	102.22
2009-07-01	102.18
2009-08-01	102.23
2009-09-01	102.12
2009-10-01	101.98
2009-11-01	101.92
2009-12-01	102.00
2010-01-01	102.70
2010-02-01	103.55
2010-03-01	103.81
2010-04-01	104.29
2010-05-01	104.40
2010-06-01	104.52
2010-07-01	104.47
2010-08-01	104.59
2010-09-01	104.45
2010-10-01	104.36
2010-11-01	104.56
2010-12-01	105.24
2011-01-01	106.19
2011-02-01	106.83
2011-03-01	107.12
2011-04-01	107.25
2011-05-01	107.55
2011-06-01	107.90
2011-07-01	108.05
2011-08-01	108.01
2011-09-01	108.35
2011-10-01	108.55
2011-11-01	108.70
2011-12-01	109.16
2012-01-01	109.96
2012-02-01	110.63
2012-03-01	110.76
2012-04-01	110.92
2012-05-01	111.25
2012-06-01	111.35
2012-07-01	111.32
2012-08-01	111.37
2012-09-01	111.69
2012-10-01	111.87
2012-11-01	111.72
2012-12-01	111.82
2013-01-01	112.15
2013-02-01	112.65
2013-03-01	112.88
2013-04-01	113.16
2013-05-01	113.48
2013-06-01	113.75
2013-07-01	113.80
2013-08-01	113.89
2013-09-01	114.23
2013-10-01	113.93
2013-11-01	113.68
2013-12-01	113.98
2014-01-01	114.54
2014-02-01	115.26
2014-03-01	115.71
2014-04-01	116.24
2014-05-01	116.81
2014-06-01	116.91
2014-07-01	117.09
2014-08-01	117.33
2014-09-01	117.49
2014-10-01	117.68
2014-11-01	117.84
2014-12-01	118.15
2015-01-01	118.91
2015-02-01	120.28
2015-03-01	120.98
2015-04-01	121.63
2015-05-01	121.95
2015-06-01	122.08
2015-07-01	122.31
2015-08-01	122.90
2015-09-01	123.78
2015-10-01	124.62
2015-11-01	125.37
2015-12-01	126.15
2016-01-01	127.78
2016-02-01	129.41
2016-03-01	130.63
2016-04-01	131.28
2016-05-01	131.95
2016-06-01	132.58
2016-07-01	133.27
2016-08-01	132.85
2016-09-01	132.78
2016-10-01	132.70
2016-11-01	132.85
2016-12-01	133.40
2017-01-01	134.77
2017-02-01	136.12
2017-03-01	136.76
2017-04-01	137.40
2017-05-01	137.71
2017-06-01	137.87
2017-07-01	137.80
2017-08-01	137.99
2017-09-01	138.05
2017-10-01	138.07
2017-11-01	138.32
2017-12-01	138.85
2018-01-01	139.72
2018-02-01	140.71
2018-03-01	141.05
2018-04-01	141.70
2018-05-01	142.06
2018-06-01	142.28
2018-07-01	142.10
2018-08-01	142.27
2018-09-01	142.50
2018-10-01	142.00