Month	Percent
1960-01-01	3.8400
1960-02-01	3.8700
1960-03-01	4.2500
1960-04-01	4.0000
1960-05-01	3.9600
1960-06-01	4.9600
1960-07-01	4.9100
1960-08-01	4.9100
1960-09-01	5.3400
1960-10-01	5.4300
1960-11-01	4.8400
1960-12-01	4.4600
1961-01-01	4.1700
1961-02-01	3.4100
1961-03-01	3.2100
1961-04-01	2.9600
1961-05-01	2.9000
1961-06-01	2.5800
1961-07-01	2.8700
1961-08-01	2.2600
1961-09-01	2.8200
1961-10-01	2.2600
1961-11-01	2.7400
1961-12-01	3.0000
1962-01-01	1.8000
1962-02-01	1.9300
1962-03-01	3.0100
1962-04-01	2.7300
1962-05-01	2.4000
1962-06-01	3.1700
1962-07-01	2.9100
1962-08-01	2.5800
1962-09-01	3.0500
1962-10-01	2.3900
1962-11-01	2.5500
1962-12-01	3.4200
1963-01-01	2.6000
1963-02-01	2.9300
1963-03-01	3.3600
1963-04-01	3.1600
1963-05-01	3.1200
1963-06-01	3.5900
1963-07-01	3.0400
1963-08-01	2.6700
1963-09-01	2.9900
1963-10-01	2.8300
1963-11-01	2.7300
1963-12-01	2.9300
1964-01-01	2.6400
1964-02-01	2.8700
1964-03-01	3.2600
1964-04-01	3.3600
1964-05-01	3.3300
1964-06-01	3.3300
1964-07-01	3.2600
1964-08-01	3.6300
1964-09-01	3.6300
1964-10-01	3.7200
1964-11-01	3.1000
1964-12-01	3.3300
1965-01-01	2.6400
1965-02-01	3.4200
1965-03-01	4.0900
1965-04-01	4.2300
1965-05-01	3.7800
1965-06-01	4.4100
1965-07-01	4.3400
1965-08-01	3.8100
1965-09-01	4.7700
1965-10-01	4.8500
1965-11-01	4.2400
1965-12-01	4.6700
1966-01-01	4.1200
1966-02-01	4.4700
1966-03-01	5.0700
1966-04-01	5.3300
1966-05-01	5.0700
1966-06-01	6.1100
1966-07-01	6.2000
1966-08-01	5.3300
1966-09-01	5.6100
1966-10-01	5.7200
1966-11-01	5.1900
1966-12-01	5.8500
1967-01-01	4.9200
1967-02-01	5.1000
1967-03-01	4.2600
1967-04-01	4.2400
1967-05-01	2.8900
1967-06-01	3.8000
1967-07-01	2.4100
1967-08-01	2.4500
1967-09-01	3.1200
1967-10-01	2.0600
1967-11-01	2.1600
1967-12-01	2.7700
1968-01-01	2.2600
1968-02-01	2.8500
1968-03-01	2.6900
1968-04-01	2.7200
1968-05-01	2.9900
1968-06-01	2.6800
1968-07-01	2.4300
1968-08-01	3.0700
1968-09-01	2.6600
1968-10-01	3.1800
1968-11-01	1.6400
1968-12-01	1.9400
1969-01-01	3.3000
1969-02-01	3.2700
1969-03-01	3.6300
1969-04-01	2.4600
1969-05-01	1.6300
1969-06-01	5.0200
1969-07-01	5.8000
1969-08-01	5.8700
1969-09-01	4.0300
1969-10-01	6.6800
1969-11-01	7.6400
1969-12-01	8.3500
1970-01-01	9.0900
1970-02-01	8.4800
1970-03-01	9.5300
1970-04-01	9.6500
1970-05-01	9.1800
1970-06-01	8.7200
1970-07-01	8.8000
1970-08-01	7.8300
1970-09-01	9.1400
1970-10-01	7.4400
1970-11-01	8.4300
1970-12-01	7.4700
1971-01-01	7.6000
1971-02-01	7.2700
1971-03-01	7.3600
1971-04-01	4.2300
1971-05-01	3.3300
1971-06-01	6.9400
1971-07-01	6.2200
1971-08-01	6.2100
1971-09-01	6.9900
1971-10-01	7.4900
1971-11-01	4.5400
1971-12-01	5.7700
1972-01-01	4.2000
1972-02-01	4.1500
1972-03-01	3.8800
1972-04-01	3.7700
1972-05-01	2.9500
1972-06-01	2.6500
1972-07-01	2.2400
1972-08-01	4.4800
1972-09-01	4.8300
1972-10-01	6.0700
1972-11-01	5.7100
1972-12-01	6.6900
1973-01-01	5.5800
1973-02-01	2.1800
1973-03-01	11.3700
1973-04-01	14.8400
1973-05-01	7.4000
1973-06-01	10.9000
1973-07-01	15.7800
1973-08-01	10.6300
1973-09-01	9.7600
1973-10-01	10.5700
1973-11-01	11.3000
1973-12-01	11.8900
1974-01-01	10.4000
1974-02-01	9.1300
1974-03-01	11.6300
1974-04-01	5.3300
1974-05-01	8.3600
1974-06-01	8.7900
1974-07-01	9.4000
1974-08-01	9.3000
1974-09-01	9.2200
1974-10-01	9.1000
1974-11-01	7.3800
1974-12-01	8.3500
1975-01-01	7.7100
1975-02-01	4.2500
1975-03-01	4.8500
1975-04-01	4.6900
1975-05-01	5.4100
1975-06-01	4.9800
1975-07-01	4.1200
1975-08-01	1.8700
1975-09-01	4.3300
1975-10-01	3.3300
1975-11-01	3.3900
1975-12-01	3.9200
1976-01-01	3.5800
1976-02-01	3.2800
1976-03-01	3.6400
1976-04-01	2.8100
1976-05-01	3.7100
1976-06-01	4.3100
1976-07-01	4.4800
1976-08-01	4.2100
1976-09-01	4.3300
1976-10-01	3.2600
1976-11-01	3.9800
1976-12-01	5.0300
1977-01-01	4.5700
1977-02-01	4.3600
1977-03-01	4.5300
1977-04-01	4.5200
1977-05-01	4.1000
1977-06-01	4.1300
1977-07-01	4.2600
1977-08-01	4.0300
1977-09-01	4.0100
1977-10-01	3.9800
1977-11-01	3.9400
1977-12-01	3.2400
1978-01-01	3.3700
1978-02-01	3.3400
1978-03-01	3.5500
1978-04-01	3.5300
1978-05-01	3.5400
1978-06-01	3.5500
1978-07-01	3.4000
1978-08-01	3.2300
1978-09-01	3.5100
1978-10-01	3.0700
1978-11-01	2.6700
1978-12-01	3.5600
1979-01-01	2.9900
1979-02-01	3.8100
1979-03-01	4.3200
1979-04-01	5.2400
1979-05-01	5.1600
1979-06-01	5.6000
1979-07-01	5.7300
1979-08-01	6.3600
1979-09-01	6.5000
1979-10-01	7.8700
1979-11-01	7.8600
1979-12-01	9.0200
1980-01-01	8.2500
1980-02-01	8.0600
1980-03-01	8.6100
1980-04-01	9.0500
1980-05-01	9.8000
1980-06-01	10.0400
1980-07-01	9.8000
1980-08-01	8.9200
1980-09-01	9.2700
1980-10-01	9.0100
1980-11-01	8.7600
1980-12-01	9.1600
1981-01-01	9.0900
1981-02-01	10.3800
1981-03-01	11.9700
1981-04-01	11.3100
1981-05-01	11.8300
1981-06-01	11.9300
1981-07-01	11.9800
1981-08-01	11.9700
1981-09-01	12.0000
1981-10-01	11.3000
1981-11-01	10.8100
1981-12-01	10.5800
1982-01-01	10.1000
1982-02-01	10.0600
1982-03-01	9.8300
1982-04-01	9.4700
1982-05-01	9.1100
1982-06-01	9.0200
1982-07-01	9.0200
1982-08-01	8.7800
1982-09-01	7.9700
1982-10-01	7.4600
1982-11-01	7.0200
1982-12-01	6.1500
1983-01-01	5.8500
1983-02-01	5.7400
1983-03-01	5.5100
1983-04-01	4.9300
1983-05-01	5.0400
1983-06-01	5.0500
1983-07-01	5.0500
1983-08-01	5.0600
1983-09-01	5.4200
1983-10-01	5.5300
1983-11-01	5.5700
1983-12-01	5.6100
1984-01-01	5.5600
1984-02-01	5.5300
1984-03-01	5.5300
1984-04-01	5.4900
1984-05-01	5.5400
1984-06-01	5.5200
1984-07-01	5.5600
1984-08-01	5.5200
1984-09-01	5.5500
1984-10-01	5.6100
1984-11-01	5.5100
1984-12-01	5.6200
1985-01-01	5.5200
1985-02-01	5.7800
1985-03-01	5.8500
1985-04-01	5.7000
1985-05-01	5.6700
1985-06-01	5.5200
1985-07-01	5.1300
1985-08-01	4.7700
1985-09-01	4.5900
1985-10-01	4.5400
1985-11-01	4.6100
1985-12-01	4.6400
1986-01-01	4.5800
1986-02-01	4.5900
1986-03-01	4.9000
1986-04-01	4.7600
1986-05-01	4.3000
1986-06-01	4.3900
1986-07-01	4.6100
1986-08-01	4.4900
1986-09-01	4.3900
1986-10-01	4.4100
1986-11-01	4.4500
1986-12-01	5.0000
1987-01-01	4.2400
1987-02-01	3.8300
1987-03-01	3.8400
1987-04-01	3.7500
1987-05-01	3.6900
1987-06-01	3.6100
1987-07-01	3.7300
1987-08-01	3.7800
1987-09-01	3.7100
1987-10-01	3.7400
1987-11-01	3.5500
1987-12-01	3.1900
1988-01-01	3.1300
1988-02-01	3.3200
1988-03-01	3.2400
1988-04-01	3.2500
1988-05-01	3.3000
1988-06-01	3.7400
1988-07-01	4.4400
1988-08-01	4.7400
1988-09-01	4.7000
1988-10-01	4.7400
1988-11-01	4.6200
1988-12-01	4.8900
1989-01-01	5.2300
1989-02-01	5.9400
1989-03-01	5.6100
1989-04-01	5.8500
1989-05-01	6.3200
1989-06-01	6.4700
1989-07-01	6.9100
1989-08-01	6.7600
1989-09-01	6.9100
1989-10-01	7.8600
1989-11-01	7.5400
1989-12-01	7.6700
1990-01-01	7.5800
1990-02-01	7.7700
1990-03-01	7.7200
1990-04-01	7.7900
1990-05-01	7.7200
1990-06-01	7.8300
1990-07-01	8.0200
1990-08-01	8.0300
1990-09-01	8.0300
1990-10-01	8.0400
1990-11-01	8.1200
1990-12-01	8.4300
1991-01-01	8.5300
1991-02-01	8.6900
1991-03-01	8.7600
1991-04-01	8.8500
1991-05-01	8.5800
1991-06-01	8.7900
1991-07-01	8.8300
1991-08-01	8.9300
1991-09-01	9.0700
1991-10-01	8.7800
1991-11-01	9.0400
1991-12-01	9.2300
1992-01-01	9.5200
1992-02-01	9.5800
1992-03-01	9.6200
1992-04-01	9.6000
1992-05-01	9.6100
1992-06-01	9.6500
1992-07-01	9.6900
1992-08-01	9.7200
1992-09-01	9.3200
1992-10-01	8.9100
1992-11-01	8.8600
1992-12-01	8.9100
1993-01-01	8.6900
1993-02-01	8.6500
1993-03-01	8.3400
1993-04-01	8.0500
1993-05-01	7.8500
1993-06-01	7.8200
1993-07-01	7.2800
1993-08-01	6.8400
1993-09-01	6.9900
1993-10-01	6.7400
1993-11-01	6.4300
1993-12-01	6.1900
1994-01-01	6.1500
1994-02-01	6.2200
1994-03-01	5.9900
1994-04-01	5.6600
1994-05-01	5.3600
1994-06-01	5.1400
1994-07-01	5.0400
1994-08-01	4.9300
1994-09-01	4.8100
1994-10-01	4.9300
1994-11-01	5.0300
1994-12-01	4.9000
1995-01-01	4.9800
1995-02-01	4.9900
1995-03-01	4.7900
1995-04-01	4.6600
1995-05-01	4.6600
1995-06-01	4.5500
1995-07-01	4.5700
1995-08-01	4.4000
1995-09-01	4.2000
1995-10-01	4.1000
1995-11-01	4.0600
1995-12-01	4.0800
1996-01-01	3.6100
1996-02-01	3.3400
1996-03-01	3.3800
1996-04-01	3.3700
1996-05-01	3.3300
1996-06-01	3.3400
1996-07-01	3.2900
1996-08-01	3.2500
1996-09-01	3.0900
1996-10-01	3.0800
1996-11-01	3.0900
1996-12-01	3.1100
1997-01-01	3.1200
1997-02-01	3.1300
1997-03-01	3.1500
1997-04-01	3.0800
1997-05-01	3.0100
1997-06-01	3.0700
1997-07-01	3.0900
1997-08-01	3.1600
1997-09-01	3.1000
1997-10-01	3.4000
1997-11-01	3.4600
1997-12-01	3.4400
1998-01-01	3.4200
1998-02-01	3.4900
1998-03-01	3.4500
1998-04-01	3.4100
1998-05-01	3.4100
1998-06-01	3.4700
1998-07-01	3.3900
1998-08-01	3.4800
1998-09-01	3.4800
1998-10-01	3.4100
1998-11-01	3.4200
1998-12-01	3.1400
1999-01-01	3.1370
1999-02-01	3.1180
1999-03-01	2.9252
1999-04-01	2.7091
1999-05-01	2.5510
1999-06-01	2.5632
1999-07-01	2.5209
1999-08-01	2.4427
1999-09-01	2.4336
1999-10-01	2.5019
1999-11-01	2.9355
1999-12-01	3.0418
2000-01-01	3.0429
2000-02-01	3.2757
2000-03-01	3.5104
2000-04-01	3.6850
2000-05-01	3.9200
2000-06-01	4.2945
2000-07-01	4.3086
2000-08-01	4.4191
2000-09-01	4.5905
2000-10-01	4.7627
2000-11-01	4.8291
2000-12-01	4.8268
2001-01-01	4.7559
2001-02-01	4.9925
2001-03-01	4.7814
2001-04-01	5.0642
2001-05-01	4.6536
2001-06-01	4.5395
2001-07-01	4.5055
2001-08-01	4.4913
2001-09-01	3.9865
2001-10-01	3.9713
2001-11-01	3.5073
2001-12-01	3.3389
2002-01-01	3.2936
2002-02-01	3.2830
2002-03-01	3.2640
2002-04-01	3.3162
2002-05-01	3.3100
2002-06-01	3.3485
2002-07-01	3.3017
2002-08-01	3.2927
2002-09-01	3.3186
2002-10-01	3.3004
2002-11-01	3.3043
2002-12-01	3.0945
2003-01-01	2.7868
2003-02-01	2.7635
2003-03-01	2.7490
2003-04-01	2.5605
2003-05-01	2.5571
2003-06-01	2.2133
2003-07-01	2.0783
2003-08-01	2.0981
2003-09-01	2.0209
2003-10-01	2.0148
2003-11-01	1.9730
2003-12-01	2.0567
2004-01-01	2.0214
2004-02-01	2.0315
2004-03-01	2.0057
2004-04-01	2.0780
2004-05-01	2.0152
2004-06-01	2.0277
2004-07-01	2.0677
2004-08-01	2.0405
2004-09-01	2.0518
2004-10-01	2.1114
2004-11-01	2.0850
2004-12-01	2.0535
2005-01-01	2.0771
2005-02-01	2.0585
2005-03-01	2.0567
2005-04-01	2.0757
2005-05-01	2.0700
2005-06-01	2.0623
2005-07-01	2.0729
2005-08-01	2.0609
2005-09-01	2.0941
2005-10-01	2.0671
2005-11-01	2.0859
2005-12-01	2.2757
2006-01-01	2.3264
2006-02-01	2.3495
2006-03-01	2.5200
2006-04-01	2.6283
2006-05-01	2.5768
2006-06-01	2.6977
2006-07-01	2.8138
2006-08-01	2.9683
2006-09-01	3.0410
2006-10-01	3.2782
2006-11-01	3.3277
2006-12-01	3.5011
2007-01-01	3.5632
2007-02-01	3.5695
2007-03-01	3.6909
2007-04-01	3.8195
2007-05-01	3.7905
2007-06-01	3.9557
2007-07-01	4.0632
2007-08-01	4.0474
2007-09-01	4.0286
2007-10-01	3.9414
2007-11-01	4.0221
2007-12-01	3.8791
2008-01-01	4.0218
2008-02-01	4.0279
2008-03-01	4.0910
2008-04-01	3.9868
2008-05-01	4.0097
2008-06-01	4.0067
2008-07-01	4.1908
2008-08-01	4.2989
2008-09-01	4.2733
2008-10-01	3.8198
2008-11-01	3.1502
2008-12-01	2.4864
2009-01-01	1.8122
2009-02-01	1.2571
2009-03-01	1.0620
2009-04-01	0.8419
2009-05-01	0.7821
2009-06-01	0.6980
2009-07-01	0.3576
2009-08-01	0.3475
2009-09-01	0.3632
2009-10-01	0.3587
2009-11-01	0.3624
2009-12-01	0.3546
2010-01-01	0.3440
2010-02-01	0.3406
2010-03-01	0.3477
2010-04-01	0.3533
2010-05-01	0.3439
2010-06-01	0.3543
2010-07-01	0.4811
2010-08-01	0.4256
2010-09-01	0.4536
2010-10-01	0.7013
2010-11-01	0.5926
2010-12-01	0.4981
2011-01-01	0.6590
2011-02-01	0.7071
2011-03-01	0.6587
2011-04-01	0.9661
2011-05-01	1.0334
2011-06-01	1.1240
2011-07-01	1.0118
2011-08-01	0.9058
2011-09-01	1.0055
2011-10-01	0.9596
2011-11-01	0.7900
2011-12-01	0.6270
2012-01-01	0.3800
2012-02-01	0.3656
2012-03-01	0.3567
2012-04-01	0.3451
2012-05-01	0.3370
2012-06-01	0.3320
2012-07-01	0.1842
2012-08-01	0.1101
2012-09-01	0.0993
2012-10-01	0.0907
2012-11-01	0.0785
2012-12-01	0.0734
2013-01-01	0.0690
2013-02-01	0.0677
2013-03-01	0.0670
2013-04-01	0.0810
2013-05-01	0.0787
2013-06-01	0.0862
2013-07-01	0.0931
2013-08-01	0.0820
2013-09-01	0.0803
2013-10-01	0.0933
2013-11-01	0.1031
2013-12-01	0.1686
2014-01-01	0.1961
2014-02-01	0.1567
2014-03-01	0.1919
2014-04-01	0.2539
2014-05-01	0.2480
2014-06-01	0.0758
2014-07-01	0.0433
2014-08-01	0.0179
2014-09-01	0.0066
2014-10-01	-0.0045
2014-11-01	-0.0116
2014-12-01	-0.0301
2015-01-01	-0.0506
2015-02-01	-0.0360
2015-03-01	-0.0504
2015-04-01	-0.0745
2015-05-01	-0.1058
2015-06-01	-0.1185
2015-07-01	-0.1177
2015-08-01	-0.1213
2015-09-01	-0.1357
2015-10-01	-0.1389
2015-11-01	-0.1347
2015-12-01	-0.1990
2016-01-01	-0.2387
2016-02-01	-0.2404
2016-03-01	-0.2877
2016-04-01	-0.3378
2016-05-01	-0.3380
2016-06-01	-0.3325
2016-07-01	-0.3288
2016-08-01	-0.3388
2016-09-01	-0.3430
2016-10-01	-0.3466
2016-11-01	-0.3487
2016-12-01	-0.3504
2017-01-01	-0.3515
2017-02-01	-0.3528
2017-03-01	-0.3535
2017-04-01	-0.3569
2017-05-01	-0.3589
2017-06-01	-0.3587
2017-07-01	-0.3595
2017-08-01	-0.3558
2017-09-01	-0.3581
2017-10-01	-0.3590
2017-11-01	-0.3492
2017-12-01	-0.3423
2018-01-01	-0.3624
2018-02-01	-0.3647
2018-03-01	-0.3639
2018-04-01	-0.3657
2018-05-01	-0.3625
2018-06-01	-0.3618
2018-07-01	-0.3636
2018-08-01	-0.3591
2018-09-01	-0.3627
2018-10-01	-0.3660