Month	Percent
1978-10-01	11.8167
1978-11-01	11.4033
1978-12-01	11.2300
1979-01-01	11.2267
1979-02-01	11.3967
1979-03-01	11.4617
1979-04-01	11.4050
1979-05-01	11.3683
1979-06-01	11.2883
1979-07-01	11.3467
1979-08-01	11.3717
1979-09-01	11.3500
1979-10-01	12.0433
1979-11-01	12.3967
1979-12-01	14.5733
1980-01-01	16.0833
1980-02-01	16.4450
1980-03-01	16.7000
1980-04-01	16.6117
1980-05-01	16.5483
1980-06-01	16.6633
1980-07-01	16.5667
1980-08-01	16.6100
1980-09-01	17.1250
1980-10-01	17.4033
1980-11-01	17.4200
1980-12-01	17.3633
1981-01-01	17.3050
1981-02-01	17.3167
1981-03-01	17.6183
1981-04-01	19.4417
1981-05-01	19.5433
1981-06-01	19.6983
1981-07-01	19.4650
1981-08-01	19.5817
1981-09-01	20.0367
1981-10-01	20.0433
1981-11-01	20.2300
1981-12-01	20.5000
1982-01-01	20.4867
1982-02-01	20.4633
1982-03-01	20.4767
1982-04-01	20.4017
1982-05-01	20.5067
1982-06-01	20.5100
1982-07-01	20.2433
1982-08-01	19.9550
1982-09-01	19.0917
1982-10-01	18.7633
1982-11-01	18.9133
1982-12-01	19.0517
1983-01-01	19.0700
1983-02-01	19.1367
1983-03-01	19.1250
1983-04-01	18.6983
1983-05-01	18.1617
1983-06-01	18.0250
1983-07-01	17.8967
1983-08-01	17.9000
1983-09-01	17.8100
1983-10-01	17.8300
1983-11-01	18.0133
1983-12-01	18.0367
1984-01-01	18.0417
1984-02-01	17.8233
1984-03-01	17.4133
1984-04-01	17.3533
1984-05-01	17.0967
1984-06-01	16.8600
1984-07-01	16.7933
1984-08-01	16.7150
1984-09-01	17.2017
1984-10-01	17.3050
1984-11-01	17.3100
1984-12-01	17.3083
1985-01-01	16.3583
1985-02-01	16.0900
1985-03-01	16.0383
1985-04-01	15.6733
1985-05-01	15.4583
1985-06-01	15.2800
1985-07-01	14.9550
1985-08-01	14.7300
1985-09-01	14.4133
1985-10-01	14.3933
1985-11-01	14.6433
1985-12-01	14.9300
1986-01-01	15.2483
1986-02-01	16.7067
1986-03-01	17.3850
1986-04-01	15.4850
1986-05-01	13.4367
1986-06-01	12.4967
1986-07-01	12.3050
1986-08-01	11.9483
1986-09-01	11.6117
1986-10-01	11.3167
1986-11-01	11.2700
1986-12-01	11.5100
1987-01-01	12.0667
1987-02-01	12.1850
1987-03-01	11.7050
1987-04-01	10.8633
1987-05-01	10.4900
1987-06-01	11.0333
1987-07-01	10.9517
1987-08-01	11.5233
1987-09-01	12.1150
1987-10-01	11.5433
1987-11-01	10.7667
1987-12-01	10.7600
1988-01-01	10.5367
1988-02-01	10.6067
1988-03-01	10.8717
1988-04-01	10.7350
1988-05-01	10.4467
1988-06-01	10.5050
1988-07-01	10.5967
1988-08-01	10.7183
1988-09-01	10.9317
1988-10-01	10.9767
1988-11-01	11.1583
1988-12-01	11.7283
1989-01-01	12.0215
1989-02-01	12.2482
1989-03-01	13.0757
1989-04-01	12.8363
1989-05-01	12.5638
1989-06-01	12.5790
1989-07-01	12.6322
1989-08-01	12.6533
1989-09-01	12.6783
1989-10-01	12.6860
1989-11-01	12.7070
1989-12-01	12.7600
1990-01-01	12.8522
1990-02-01	12.9260
1990-03-01	12.9600
1990-04-01	12.3300
1990-05-01	12.2700
1990-06-01	11.4900
1990-07-01	11.5900
1990-08-01	11.6400
1990-09-01	10.8200
1990-10-01	11.4900
1990-11-01	12.6700
1990-12-01	13.7200
1991-01-01	13.3900
1991-02-01	13.5200
1991-03-01	12.6400
1991-04-01	12.0400
1991-05-01	11.5700
1991-06-01	11.5600
1991-07-01	11.8100
1991-08-01	11.9700
1991-09-01	11.7500
1991-10-01	11.5100
1991-11-01	11.8200
1991-12-01	12.9200
1992-01-01	12.1500
1992-02-01	12.2100
1992-03-01	12.3000
1992-04-01	12.4100
1992-05-01	12.4100
1992-06-01	13.4600
1992-07-01	15.6400
1992-08-01	15.4300
1992-09-01	18.2200
1992-10-01	15.5800
1992-11-01	14.5000
1992-12-01	13.8500
1993-01-01	12.6700
1993-02-01	11.5000
1993-03-01	11.3500
1993-04-01	11.4500
1993-05-01	10.8100
1993-06-01	10.2500
1993-07-01	9.5400
1993-08-01	9.3300
1993-09-01	9.1100
1993-10-01	8.7800
1993-11-01	9.0100
1993-12-01	8.5900
1994-01-01	8.4200
1994-02-01	8.4500
1994-03-01	8.4200
1994-04-01	8.1100
1994-05-01	7.8100
1994-06-01	8.1100
1994-07-01	8.4800
1994-08-01	8.9200
1994-09-01	8.7200
1994-10-01	8.8500
1994-11-01	8.7600
1994-12-01	9.0400
1995-01-01	9.1300
1995-02-01	9.0900
1995-03-01	11.0100
1995-04-01	10.9600
1995-05-01	10.4500
1995-06-01	10.9500
1995-07-01	10.9600
1995-08-01	10.4700
1995-09-01	10.4000
1995-10-01	10.7700
1995-11-01	10.6800
1995-12-01	10.6100
1996-01-01	10.0700
1996-02-01	9.9300
1996-03-01	9.8500
1996-04-01	9.6200
1996-05-01	8.9200
1996-06-01	8.7700
1996-07-01	8.7500
1996-08-01	8.8100
1996-09-01	8.4400
1996-10-01	8.0200
1996-11-01	7.4100
1996-12-01	7.2500
1997-01-01	7.2300
1997-02-01	7.3600
1997-03-01	7.4300
1997-04-01	7.1300
1997-05-01	6.8300
1997-06-01	6.8800
1997-07-01	6.8900
1997-08-01	6.8700
1997-09-01	6.6700
1997-10-01	6.6500
1997-11-01	6.4900
1997-12-01	6.0800
1998-01-01	6.0900
1998-02-01	6.1300
1998-03-01	5.6200
1998-04-01	5.2300
1998-05-01	5.1100
1998-06-01	5.1200
1998-07-01	4.8800
1998-08-01	4.8900
1998-09-01	4.9700
1998-10-01	4.5300
1998-11-01	3.9500
1998-12-01	3.3800
1999-01-01	3.1321
1999-02-01	3.0934
1999-03-01	3.0467
1999-04-01	2.6965
1999-05-01	2.5790
1999-06-01	2.6267
1999-07-01	2.6765
1999-08-01	2.6950
1999-09-01	2.7267
1999-10-01	3.3757
1999-11-01	3.4677
1999-12-01	3.4460
2000-01-01	3.3431
2000-02-01	3.5368
2000-03-01	3.7470
2000-04-01	3.9253
2000-05-01	4.3620
2000-06-01	4.5017
2000-07-01	4.5829
2000-08-01	4.7771
2000-09-01	4.8528
2000-10-01	5.0413
2000-11-01	5.0920
2000-12-01	4.9392
2001-01-01	4.7707
2001-02-01	4.7558
2001-03-01	4.7086
2001-04-01	4.6820
2001-05-01	4.6367
2001-06-01	4.4536
2001-07-01	4.4671
2001-08-01	4.3535
2001-09-01	3.9829
2001-10-01	3.5999
2001-11-01	3.3857
2001-12-01	3.3449
2002-01-01	3.3388
2002-02-01	3.3571
2002-03-01	3.3908
2002-04-01	3.4069
2002-05-01	3.4671
2002-06-01	3.4640
2002-07-01	3.4100
2002-08-01	3.3519
2002-09-01	3.3101
2002-10-01	3.2613
2002-11-01	3.1241
2002-12-01	2.9410
2003-01-01	2.8318
2003-02-01	2.6875
2003-03-01	2.5300
2003-04-01	2.5333
2003-05-01	2.4005
2003-06-01	2.1519
2003-07-01	2.1300
2003-08-01	2.1404
2003-09-01	2.1473
2003-10-01	2.1436
2003-11-01	2.1590
2003-12-01	2.1463
2004-01-01	2.0895
2004-02-01	2.0705
2004-03-01	2.0288
2004-04-01	2.0488
2004-05-01	2.0859
2004-06-01	2.1127
2004-07-01	2.1160
2004-08-01	2.1143
2004-09-01	2.1186
2004-10-01	2.1473
2004-11-01	2.1703
2004-12-01	2.1732
2005-01-01	2.1454
2005-02-01	2.1383
2005-03-01	2.1372
2005-04-01	2.1372
2005-05-01	2.1256
2005-06-01	2.1110
2005-07-01	2.1194
2005-08-01	2.1325
2005-09-01	2.1391
2005-10-01	2.1966
2005-11-01	2.3609
2005-12-01	2.4729
2006-01-01	2.5117
2006-02-01	2.6004
2006-03-01	2.7226
2006-04-01	2.7938
2006-05-01	2.8890
2006-06-01	2.9857
2006-07-01	3.1022
2006-08-01	3.2265
2006-09-01	3.3354
2006-10-01	3.5020
2006-11-01	3.5972
2006-12-01	3.6842
2007-01-01	3.7519
2007-02-01	3.8182
2007-03-01	3.8909
2007-04-01	3.9753
2007-05-01	4.0714
2007-06-01	4.1478
2007-07-01	4.2162
2007-08-01	4.5436
2007-09-01	4.7417
2007-10-01	4.6874
2007-11-01	4.6385
2007-12-01	4.8484
2008-01-01	4.4815
2008-02-01	4.3621
2008-03-01	4.5964
2008-04-01	4.7835
2008-05-01	4.8574
2008-06-01	4.9405
2008-07-01	4.9610
2008-08-01	4.9652
2008-09-01	5.0192
2008-10-01	5.1131
2008-11-01	4.2383
2008-12-01	3.2926
2009-01-01	2.4565
2009-02-01	1.9431
2009-03-01	1.6355
2009-04-01	1.4223
2009-05-01	1.2817
2009-06-01	1.2279
2009-07-01	0.9750
2009-08-01	0.8605
2009-09-01	0.7721
2009-10-01	0.7375
2009-11-01	0.7162
2009-12-01	0.7120
2010-01-01	0.6797
2010-02-01	0.6617
2010-03-01	0.6450
2010-04-01	0.6447
2010-05-01	0.6865
2010-06-01	0.7276
2010-07-01	0.8488
2010-08-01	0.8955
2010-09-01	0.8805
2010-10-01	0.9977
2010-11-01	1.0420
2010-12-01	1.0217
2011-01-01	1.0172
2011-02-01	1.0867
2011-03-01	1.1755
2011-04-01	1.3212
2011-05-01	1.4251
2011-06-01	1.4886
2011-07-01	1.5976
2011-08-01	1.5521
2011-09-01	1.5365
2011-10-01	1.5759
2011-11-01	1.4847
2011-12-01	1.4261
2012-01-01	1.2222
2012-02-01	1.0483
2012-03-01	0.8585
2012-04-01	0.7443
2012-05-01	0.6849
2012-06-01	0.6589
2012-07-01	0.4970
2012-08-01	0.3324
2012-09-01	0.2463
2012-10-01	0.2079
2012-11-01	0.1920
2012-12-01	0.1855
2013-01-01	0.2049
2013-02-01	0.2234
2013-03-01	0.2061
2013-04-01	0.2089
2013-05-01	0.2012
2013-06-01	0.2103
2013-07-01	0.2214
2013-08-01	0.2259
2013-09-01	0.2232
2013-10-01	0.2258
2013-11-01	0.2234
2013-12-01	0.2735
2014-01-01	0.2920
2014-02-01	0.2881
2014-03-01	0.3053
2014-04-01	0.3297
2014-05-01	0.3246
2014-06-01	0.2414
2014-07-01	0.2050
2014-08-01	0.1916
2014-09-01	0.0971
2014-10-01	0.0826
2014-11-01	0.0809
2014-12-01	0.0809
2015-01-01	0.0627
2015-02-01	0.0482
2015-03-01	0.0272
2015-04-01	0.0047
2015-05-01	-0.0104
2015-06-01	-0.0139
2015-07-01	-0.0187
2015-08-01	-0.0277
2015-09-01	-0.0370
2015-10-01	-0.0536
2015-11-01	-0.0876
2015-12-01	-0.1263
2016-01-01	-0.1461
2016-02-01	-0.1836
2016-03-01	-0.2285
2016-04-01	-0.2492
2016-05-01	-0.2572
2016-06-01	-0.2679
2016-07-01	-0.2945
2016-08-01	-0.2982
2016-09-01	-0.3016
2016-10-01	-0.3090
2016-11-01	-0.3127
2016-12-01	-0.3158
2017-01-01	-0.3255
2017-02-01	-0.3286
2017-03-01	-0.3293
2017-04-01	-0.3304
2017-05-01	-0.3295
2017-06-01	-0.3300
2017-07-01	-0.3304
2017-08-01	-0.3291
2017-09-01	-0.3294
2017-10-01	-0.3295
2017-11-01	-0.3290
2017-12-01	-0.3279
2018-01-01	-0.3285
2018-02-01	-0.3285
2018-03-01	-0.3279
2018-04-01	-0.3285
2018-05-01	-0.3252
2018-06-01	-0.3220
2018-07-01	-0.3207
2018-08-01	-0.3190
2018-09-01	-0.3188
2018-10-01	-0.3177