Month	Percent
1960-01-01	5.3300
1960-02-01	5.4000
1960-03-01	5.5900
1960-04-01	5.6700
1960-05-01	5.6900
1960-06-01	6.0400
1960-07-01	6.0100
1960-08-01	6.0300
1960-09-01	6.1000
1960-10-01	6.1000
1960-11-01	6.1400
1960-12-01	6.1700
1961-01-01	6.1500
1961-02-01	6.0000
1961-03-01	6.0600
1961-04-01	6.0300
1961-05-01	6.0900
1961-06-01	6.3400
1961-07-01	6.5600
1961-08-01	6.6900
1961-09-01	6.6800
1961-10-01	6.1100
1961-11-01	6.2100
1961-12-01	6.2500
1962-01-01	6.2000
1962-02-01	6.2700
1962-03-01	6.2700
1962-04-01	6.2800
1962-05-01	6.2800
1962-06-01	6.1900
1962-07-01	5.8100
1962-08-01	5.6200
1962-09-01	4.8900
1962-10-01	5.0500
1962-11-01	5.1700
1962-12-01	5.1400
1963-01-01	5.2300
1963-02-01	5.4300
1963-03-01	5.4500
1963-04-01	5.2900
1963-05-01	5.1700
1963-06-01	5.0800
1963-07-01	5.0600
1963-08-01	4.9600
1963-09-01	4.9000
1963-10-01	4.9700
1963-11-01	5.2100
1963-12-01	5.2400
1964-01-01	5.2700
1964-02-01	5.4500
1964-03-01	5.4600
1964-04-01	5.4900
1964-05-01	5.5500
1964-06-01	5.6400
1964-07-01	5.7600
1964-08-01	5.7500
1964-09-01	5.7700
1964-10-01	5.8400
1964-11-01	6.0700
1964-12-01	6.3800
1965-01-01	6.3500
1965-02-01	6.3600
1965-03-01	6.5200
1965-04-01	6.6000
1965-05-01	6.6900
1965-06-01	6.7300
1965-07-01	6.7900
1965-08-01	6.6800
1965-09-01	6.4700
1965-10-01	6.4300
1965-11-01	6.4100
1965-12-01	6.5900
1966-01-01	6.4200
1966-02-01	6.5500
1966-03-01	6.7300
1966-04-01	6.7000
1966-05-01	6.7600
1966-06-01	7.0000
1966-07-01	7.3400
1966-08-01	7.4900
1966-09-01	7.0000
1966-10-01	6.9200
1966-11-01	6.8600
1966-12-01	6.6300
1967-01-01	6.5700
1967-02-01	6.4000
1967-03-01	6.4300
1967-04-01	6.3700
1967-05-01	6.4200
1967-06-01	6.6400
1967-07-01	6.8100
1967-08-01	6.7100
1967-09-01	6.7400
1967-10-01	6.9000
1967-11-01	7.1000
1967-12-01	7.3100
1968-01-01	7.3000
1968-02-01	7.2700
1968-03-01	7.3000
1968-04-01	7.2700
1968-05-01	7.3600
1968-06-01	7.6100
1968-07-01	7.6900
1968-08-01	7.5500
1968-09-01	7.5000
1968-10-01	7.5200
1968-11-01	7.7300
1968-12-01	8.0100
1969-01-01	8.2600
1969-02-01	8.4000
1969-03-01	8.6600
1969-04-01	8.6500
1969-05-01	8.9700
1969-06-01	9.2900
1969-07-01	8.9800
1969-08-01	9.0200
1969-09-01	9.0600
1969-10-01	8.8400
1969-11-01	8.9200
1969-12-01	8.9100
1970-01-01	8.8900
1970-02-01	8.6800
1970-03-01	8.5400
1970-04-01	8.5500
1970-05-01	8.8000
1970-06-01	8.8500
1970-07-01	8.5000
1970-08-01	8.3300
1970-09-01	8.4300
1970-10-01	8.4200
1970-11-01	8.6900
1970-12-01	8.9300
1971-01-01	8.8000
1971-02-01	8.5900
1971-03-01	8.3400
1971-04-01	8.2100
1971-05-01	8.0900
1971-06-01	8.1400
1971-07-01	7.7100
1971-08-01	7.6900
1971-09-01	7.4700
1971-10-01	7.2400
1971-11-01	7.0500
1971-12-01	7.0900
1972-01-01	7.0300
1972-02-01	7.0500
1972-03-01	7.3900
1972-04-01	7.4400
1972-05-01	7.8500
1972-06-01	8.9500
1972-07-01	8.9000
1972-08-01	9.0500
1972-09-01	9.2900
1972-10-01	9.1000
1972-11-01	9.0900
1972-12-01	9.3600
1973-01-01	9.1700
1973-02-01	9.3300
1973-03-01	9.7800
1973-04-01	9.6600
1973-05-01	9.7400
1973-06-01	9.8800
1973-07-01	10.4300
1973-08-01	11.2200
1973-09-01	11.4800
1973-10-01	11.2900
1973-11-01	12.0800
1973-12-01	12.6400
1974-01-01	13.0000
1974-02-01	13.4600
1974-03-01	13.5100
1974-04-01	13.8200
1974-05-01	13.3300
1974-06-01	13.8100
1974-07-01	14.1700
1974-08-01	14.5200
1974-09-01	14.1700
1974-10-01	14.6100
1974-11-01	15.7600
1974-12-01	16.3200
1975-01-01	15.0700
1975-02-01	13.3300
1975-03-01	12.2400
1975-04-01	12.4200
1975-05-01	13.1100
1975-06-01	12.9900
1975-07-01	12.7500
1975-08-01	12.7700
1975-09-01	12.7600
1975-10-01	13.5100
1975-11-01	13.6600
1975-12-01	13.5700
1976-01-01	12.6400
1976-02-01	12.1300
1976-03-01	12.5500
1976-04-01	12.4700
1976-05-01	12.3700
1976-06-01	13.4500
1976-07-01	13.5600
1976-08-01	13.6700
1976-09-01	14.1800
1976-10-01	15.6700
1976-11-01	15.4600
1976-12-01	15.1700
1977-01-01	14.0700
1977-02-01	13.3400
1977-03-01	12.4400
1977-04-01	12.1800
1977-05-01	11.8600
1977-06-01	12.5200
1977-07-01	12.8700
1977-08-01	12.2900
1977-09-01	11.0300
1977-10-01	10.3100
1977-11-01	10.7200
1977-12-01	10.7000
1978-01-01	10.6100
1978-02-01	10.3900
1978-03-01	11.2000
1978-04-01	11.9100
1978-05-01	12.2800
1978-06-01	12.4800
1978-07-01	12.3700
1978-08-01	12.2300
1978-09-01	12.3800
1978-10-01	12.7200
1978-11-01	13.0900
1978-12-01	13.1200
1979-01-01	13.5500
1979-02-01	13.9900
1979-03-01	12.0800
1979-04-01	11.3900
1979-05-01	11.7500
1979-06-01	12.5600
1979-07-01	12.3400
1979-08-01	12.2600
1979-09-01	12.5600
1979-10-01	13.0900
1979-11-01	14.7600
1979-12-01	15.0200
1980-01-01	14.4100
1980-02-01	14.7400
1980-03-01	14.9300
1980-04-01	14.4200
1980-05-01	14.1100
1980-06-01	13.7800
1980-07-01	13.0800
1980-08-01	13.7000
1980-09-01	13.4700
1980-10-01	13.2000
1980-11-01	13.3400
1980-12-01	13.7800
1981-01-01	13.9700
1981-02-01	13.8400
1981-03-01	13.6600
1981-04-01	13.6600
1981-05-01	14.4000
1981-06-01	14.6900
1981-07-01	15.2800
1981-08-01	15.2300
1981-09-01	15.8100
1981-10-01	16.3400
1981-11-01	15.7200
1981-12-01	16.0000
1982-01-01	15.9400
1982-02-01	15.0900
1982-03-01	14.0100
1982-04-01	14.2000
1982-05-01	13.8900
1982-06-01	13.7500
1982-07-01	13.3500
1982-08-01	12.2100
1982-09-01	11.5100
1982-10-01	10.6900
1982-11-01	10.8000
1982-12-01	11.5800
1983-01-01	11.8700
1983-02-01	11.7900
1983-03-01	11.3800
1983-04-01	11.0600
1983-05-01	11.1600
1983-06-01	10.9900
1983-07-01	11.5300
1983-08-01	11.7200
1983-09-01	11.2500
1983-10-01	11.0200
1983-11-01	10.6800
1983-12-01	10.7700
1984-01-01	10.7700
1984-02-01	10.8700
1984-03-01	10.6600
1984-04-01	10.8500
1984-05-01	11.3800
1984-06-01	11.5900
1984-07-01	12.0700
1984-08-01	11.4100
1984-09-01	11.2300
1984-10-01	11.1000
1984-11-01	10.7300
1984-12-01	10.8700
1985-01-01	11.3600
1985-02-01	11.4900
1985-03-01	11.3300
1985-04-01	11.0700
1985-05-01	11.2300
1985-06-01	11.0300
1985-07-01	10.7700
1985-08-01	10.6900
1985-09-01	10.6800
1985-10-01	10.5200
1985-11-01	10.6900
1985-12-01	10.7800
1986-01-01	11.1300
1986-02-01	10.7300
1986-03-01	9.6900
1986-04-01	8.9400
1986-05-01	9.1500
1986-06-01	9.4500
1986-07-01	9.6100
1986-08-01	9.6600
1986-09-01	10.2800
1986-10-01	10.9200
1986-11-01	11.0800
1986-12-01	10.9800
1987-01-01	10.2700
1987-02-01	9.9700
1987-03-01	9.1100
1987-04-01	9.1400
1987-05-01	8.8000
1987-06-01	8.9300
1987-07-01	9.2900
1987-08-01	10.1300
1987-09-01	10.2100
1987-10-01	10.1400
1987-11-01	9.2300
1987-12-01	9.6300
1988-01-01	9.7100
1988-02-01	9.5200
1988-03-01	9.2200
1988-04-01	9.2000
1988-05-01	9.4100
1988-06-01	9.5100
1988-07-01	9.8400
1988-08-01	9.9100
1988-09-01	10.1000
1988-10-01	9.6900
1988-11-01	9.8600
1988-12-01	10.1400
1989-01-01	9.9600
1989-02-01	9.7200
1989-03-01	9.8800
1989-04-01	10.1800
1989-05-01	10.1700
1989-06-01	10.5500
1989-07-01	10.1500
1989-08-01	9.9100
1989-09-01	10.2100
1989-10-01	10.4500
1989-11-01	10.5500
1989-12-01	10.5600
1990-01-01	10.8900
1990-02-01	11.3300
1990-03-01	12.4200
1990-04-01	12.7400
1990-05-01	12.4100
1990-06-01	11.8000
1990-07-01	11.8400
1990-08-01	12.1500
1990-09-01	12.1000
1990-10-01	11.7400
1990-11-01	11.3700
1990-12-01	10.8400
1991-01-01	10.5900
1991-02-01	10.1300
1991-03-01	10.2900
1991-04-01	10.1900
1991-05-01	10.3800
1991-06-01	10.5800
1991-07-01	10.2800
1991-08-01	10.0300
1991-09-01	9.6400
1991-10-01	9.7200
1991-11-01	9.7700
1991-12-01	9.6600
1992-01-01	9.4600
1992-02-01	9.3000
1992-03-01	9.6800
1992-04-01	9.4300
1992-05-01	9.0200
1992-06-01	9.1200
1992-07-01	9.0500
1992-08-01	9.3500
1992-09-01	9.1900
1992-10-01	8.6500
1992-11-01	8.1900
1992-12-01	8.3200
1993-01-01	8.2900
1993-02-01	7.9500
1993-03-01	7.7200
1993-04-01	7.8900
1993-05-01	8.1500
1993-06-01	7.9600
1993-07-01	7.6200
1993-08-01	7.0700
1993-09-01	6.9600
1993-10-01	6.8700
1993-11-01	6.8500
1993-12-01	6.4253
1994-01-01	6.3794
1994-02-01	6.7572
1994-03-01	7.4170
1994-04-01	7.8401
1994-05-01	8.2825
1994-06-01	8.7105
1994-07-01	8.5330
1994-08-01	8.6524
1994-09-01	8.8959
1994-10-01	8.7797
1994-11-01	8.6361
1994-12-01	8.5814
1995-01-01	8.7349
1995-02-01	8.6557
1995-03-01	8.5938
1995-04-01	8.4378
1995-05-01	8.1802
1995-06-01	8.1097
1995-07-01	8.2613
1995-08-01	8.1169
1995-09-01	7.9486
1995-10-01	8.0967
1995-11-01	7.7752
1995-12-01	7.4926
1996-01-01	7.4408
1996-02-01	7.7618
1996-03-01	8.0570
1996-04-01	8.0602
1996-05-01	8.0871
1996-06-01	8.0540
1996-07-01	7.9162
1996-08-01	7.8219
1996-09-01	7.8151
1996-10-01	7.5413
1996-11-01	7.5952
1996-12-01	7.5716
1997-01-01	7.5552
1997-02-01	7.1962
1997-03-01	7.4544
1997-04-01	7.6380
1997-05-01	7.1681
1997-06-01	7.1418
1997-07-01	7.0577
1997-08-01	7.0893
1997-09-01	6.8216
1997-10-01	6.5109
1997-11-01	6.6240
1997-12-01	6.3739
1998-01-01	6.0978
1998-02-01	6.0461
1998-03-01	5.9920
1998-04-01	5.8249
1998-05-01	5.8648
1998-06-01	5.7743
1998-07-01	5.8319
1998-08-01	5.5706
1998-09-01	5.1510
1998-10-01	5.0114
1998-11-01	4.9292
1998-12-01	4.5175
1999-01-01	4.2868
1999-02-01	4.4319
1999-03-01	4.6554
1999-04-01	4.5920
1999-05-01	4.9068
1999-06-01	5.1716
1999-07-01	5.3721
1999-08-01	5.4312
1999-09-01	5.6909
1999-10-01	5.8801
1999-11-01	5.3145
1999-12-01	5.3890
2000-01-01	5.8227
2000-02-01	5.6347
2000-03-01	5.3707
2000-04-01	5.3213
2000-05-01	5.4033
2000-06-01	5.2097
2000-07-01	5.2388
2000-08-01	5.3312
2000-09-01	5.3873
2000-10-01	5.2179
2000-11-01	5.0983
2000-12-01	4.9118
2001-01-01	4.8471
2001-02-01	4.8248
2001-03-01	4.7030
2001-04-01	4.9468
2001-05-01	5.1153
2001-06-01	5.1951
2001-07-01	5.2037
2001-08-01	4.9854
2001-09-01	4.9876
2001-10-01	4.8253
2001-11-01	4.6271
2001-12-01	4.8928
2002-01-01	4.9171
2002-02-01	4.9251
2002-03-01	5.2202
2002-04-01	5.2331
2002-05-01	5.2689
2002-06-01	5.0990
2002-07-01	5.0027
2002-08-01	4.7460
2002-09-01	4.5006
2002-10-01	4.6160
2002-11-01	4.6378
2002-12-01	4.5644
2003-01-01	4.3899
2003-02-01	4.2131
2003-03-01	4.3243
2003-04-01	4.4663
2003-05-01	4.2197
2003-06-01	4.1127
2003-07-01	4.4078
2003-08-01	4.6040
2003-09-01	4.7132
2003-10-01	4.9071
2003-11-01	5.0650
2003-12-01	4.8960
2004-01-01	4.7875
2004-02-01	4.8056
2004-03-01	4.7088
2004-04-01	4.9570
2004-05-01	5.1118
2004-06-01	5.2000
2004-07-01	5.1083
2004-08-01	5.0071
2004-09-01	4.9109
2004-10-01	4.7683
2004-11-01	4.6903
2004-12-01	4.5316
2005-01-01	4.5419
2005-02-01	4.5884
2005-03-01	4.7960
2005-04-01	4.6218
2005-05-01	4.4173
2005-06-01	4.2847
2005-07-01	4.3011
2005-08-01	4.3249
2005-09-01	4.2109
2005-10-01	4.3482
2005-11-01	4.3129
2005-12-01	4.2186
2006-01-01	4.0752
2006-02-01	4.1543
2006-03-01	4.3177
2006-04-01	4.5177
2006-05-01	4.6488
2006-06-01	4.6645
2006-07-01	4.6560
2006-08-01	4.6535
2006-09-01	4.5522
2006-10-01	4.6155
2006-11-01	4.5452
2006-12-01	4.6195
2007-01-01	4.8694
2007-02-01	4.8960
2007-03-01	4.8194
2007-04-01	5.0439
2007-05-01	5.1458
2007-06-01	5.4321
2007-07-01	5.4084
2007-08-01	5.1499
2007-09-01	4.9928
2007-10-01	4.9576
2007-11-01	4.7263
2007-12-01	4.6937
2008-01-01	4.4925
2008-02-01	4.6234
2008-03-01	4.4450
2008-04-01	4.6432
2008-05-01	4.8683
2008-06-01	5.2103
2008-07-01	5.0494
2008-08-01	4.7267
2008-09-01	4.5701
2008-10-01	4.5789
2008-11-01	4.2571
2008-12-01	3.6238
2009-01-01	3.6699
2009-02-01	3.6899
2009-03-01	3.2497
2009-04-01	3.4072
2009-05-01	3.6206
2009-06-01	3.7221
2009-07-01	3.8238
2009-08-01	3.7142
2009-09-01	3.6566
2009-10-01	3.5699
2009-11-01	3.7592
2009-12-01	3.8871
2010-01-01	4.0025
2010-02-01	4.0624
2010-03-01	4.0915
2010-04-01	4.1007
2010-05-01	3.7772
2010-06-01	3.6007
2010-07-01	3.5087
2010-08-01	3.2330
2010-09-01	3.1271
2010-10-01	3.0685
2010-11-01	3.3110
2010-12-01	3.6098
2011-01-01	3.7273
2011-02-01	3.8799
2011-03-01	3.7386
2011-04-01	3.7619
2011-05-01	3.5053
2011-06-01	3.4144
2011-07-01	3.3137
2011-08-01	2.7833
2011-09-01	2.5040
2011-10-01	2.5290
2011-11-01	2.2917
2011-12-01	2.1828
2012-01-01	2.1104
2012-02-01	2.2191
2012-03-01	2.3230
2012-04-01	2.2117
2012-05-01	1.9416
2012-06-01	1.7698
2012-07-01	1.6523
2012-08-01	1.6735
2012-09-01	1.7222
2012-10-01	1.7721
2012-11-01	1.7741
2012-12-01	1.8467
2013-01-01	2.0795
2013-02-01	2.1781
2013-03-01	1.9768
2013-04-01	1.7824
2013-05-01	1.9462
2013-06-01	2.3063
2013-07-01	2.4710
2013-08-01	2.7088
2013-09-01	2.8443
2013-10-01	2.6784
2013-11-01	2.7598
2013-12-01	2.9458
2014-01-01	2.9100
2014-02-01	2.8147
2014-03-01	2.7837
2014-04-01	2.7417
2014-05-01	2.6989
2014-06-01	2.7842
2014-07-01	2.7343
2014-08-01	2.5347
2014-09-01	2.4919
2014-10-01	2.2469
2014-11-01	2.1593
2014-12-01	1.9287
2015-01-01	1.5890
2015-02-01	1.7365
2015-03-01	1.7941
2015-04-01	1.7550
2015-05-01	2.0243
2015-06-01	2.1696
2015-07-01	2.1353
2015-08-01	1.9799
2015-09-01	1.8814
2015-10-01	1.8460
2015-11-01	1.9779
2015-12-01	1.9234
2016-01-01	1.7833
2016-02-01	1.5032
2016-03-01	1.5434
2016-04-01	1.5688
2016-05-01	1.5366
2016-06-01	1.3105
2016-07-01	0.9569
2016-08-01	0.7421
2016-09-01	0.8243
2016-10-01	1.0780
2016-11-01	1.3818
2016-12-01	1.4336
2017-01-01	1.4203
2017-02-01	1.3058
2017-03-01	1.1940
2017-04-01	1.0789
2017-05-01	1.1175
2017-06-01	1.0846
2017-07-01	1.2713
2017-08-01	1.1241
2017-09-01	1.2436
2017-10-01	1.3816
2017-11-01	1.3299
2017-12-01	1.2781
2018-01-01	1.3931
2018-02-01	1.6034
2018-03-01	1.5080
2018-04-01	1.5108
2018-05-01	1.5016
2018-06-01	1.4229
2018-07-01	1.3739
2018-08-01	1.3991
2018-09-01	1.5023
2018-10-01	1.5462