Month	Percent
1978-02-01	7.4641503
1978-03-01	6.5711212
1978-04-01	6.2465521
1978-05-01	6.1896587
1978-06-01	6.1245226
1978-07-01	5.9304118
1978-08-01	6.2197328
1978-09-01	6.0409937
1978-10-01	5.7724211
1978-11-01	5.8187408
1978-12-01	6.7673640
1979-01-01	7.0064912
1979-02-01	7.0379573
1979-03-01	6.5656900
1979-04-01	6.4621405
1979-05-01	6.1779402
1979-06-01	6.0568166
1979-07-01	5.9635919
1979-08-01	5.8472077
1979-09-01	6.1057906
1979-10-01	5.9703230
1979-11-01	5.5483833
1979-12-01	6.4436585
1980-01-01	6.7382662
1980-02-01	6.7390710
1980-03-01	6.2089042
1980-04-01	6.1508992
1980-05-01	6.2268607
1980-06-01	6.1285339
1980-07-01	5.7843135
1980-08-01	5.9095079
1980-09-01	6.0223764
1980-10-01	5.6503626
1980-11-01	5.3664835
1980-12-01	6.3493654
1981-01-01	6.4880850
1981-02-01	6.3037577
1981-03-01	6.0418269
1981-04-01	5.5758833
1981-05-01	5.5847502
1981-06-01	5.2259643
1981-07-01	5.5593825
1981-08-01	5.6176565
1981-09-01	5.7123237
1981-10-01	5.4841132
1981-11-01	5.5082058
1981-12-01	6.3009017
1982-01-01	6.5279931
1982-02-01	7.0629818
1982-03-01	6.6636520
1982-04-01	6.4036254
1982-05-01	6.5813567
1982-06-01	6.5778391
1982-07-01	6.5905958
1982-08-01	6.7442882
1982-09-01	7.3221019
1982-10-01	7.7657049
1982-11-01	8.0205730
1982-12-01	9.6128708
1983-01-01	10.1153912
1983-02-01	10.6941560
1983-03-01	10.4188046
1983-04-01	10.1849107
1983-05-01	10.3032446
1983-06-01	9.9605223
1983-07-01	9.8427500
1983-08-01	9.9138025
1983-09-01	10.1828630
1983-10-01	9.3452409
1983-11-01	8.9224163
1983-12-01	9.6550164
1984-01-01	10.2996195
1984-02-01	10.3703834
1984-03-01	9.7171554
1984-04-01	9.4452821
1984-05-01	8.9201357
1984-06-01	8.8684861
1984-07-01	8.3517550
1984-08-01	8.5431502
1984-09-01	8.6210865
1984-10-01	8.1098213
1984-11-01	7.9916072
1984-12-01	8.6376821
1985-01-01	9.2507023
1985-02-01	9.2731703
1985-03-01	9.1779266
1985-04-01	8.5409185
1985-05-01	8.3817007
1985-06-01	8.3610450
1985-07-01	7.7969733
1985-08-01	7.9011729
1985-09-01	7.9583341
1985-10-01	7.3199628
1985-11-01	7.3143716
1985-12-01	7.8795576
1986-01-01	8.4684459
1986-02-01	8.8385724
1986-03-01	8.4498358
1986-04-01	8.0017189
1986-05-01	7.8497733
1986-06-01	7.4464708
1986-07-01	7.8559500
1986-08-01	7.9512614
1986-09-01	8.2499806
1986-10-01	7.7546691
1986-11-01	7.6683562
1986-12-01	8.4374302
1987-01-01	8.8560492
1987-02-01	9.0606505
1987-03-01	8.9692207
1987-04-01	8.4008901
1987-05-01	8.2072875
1987-06-01	7.8003745
1987-07-01	7.8361135
1987-08-01	7.8244236
1987-09-01	7.6771856
1987-10-01	7.5410889
1987-11-01	7.3177547
1987-12-01	7.8054367
1988-01-01	8.2684472
1988-02-01	8.1695928
1988-03-01	8.0222509
1988-04-01	8.0316597
1988-05-01	7.4607707
1988-06-01	7.1602491
1988-07-01	6.5653172
1988-08-01	6.8258843
1988-09-01	6.8822261
1988-10-01	6.3604767
1988-11-01	6.1072143
1988-12-01	6.8813626
1989-01-01	7.3855743
1989-02-01	7.3213786
1989-03-01	6.6726780
1989-04-01	6.2854656
1989-05-01	6.2797914
1989-06-01	5.8134174
1989-07-01	5.8626835
1989-08-01	5.7229216
1989-09-01	5.9917827
1989-10-01	5.5238384
1989-11-01	5.3603114
1989-12-01	5.9380626
1990-01-01	6.6524929
1990-02-01	7.0593087
1990-03-01	6.5058005
1990-04-01	6.3314647
1990-05-01	6.4872906
1990-06-01	6.3932773
1990-07-01	6.6816946
1990-08-01	6.9652954
1990-09-01	7.3268658
1990-10-01	7.1354024
1990-11-01	7.4033026
1990-12-01	8.1338049
1991-01-01	9.0821986
1991-02-01	9.4823345
1991-03-01	9.5929512
1991-04-01	9.9162278
1991-05-01	9.4652270
1991-06-01	8.9818121
1991-07-01	9.5148550
1991-08-01	9.4639942
1991-09-01	9.9695988
1991-10-01	9.3631470
1991-11-01	9.5732156
1991-12-01	10.5127011
1992-01-01	11.2022708
1992-02-01	11.4542347
1992-03-01	10.8987931
1992-04-01	10.4769046
1992-05-01	10.5669819
1992-06-01	10.4873555
1992-07-01	10.5537200
1992-08-01	10.4267697
1992-09-01	10.5607533
1992-10-01	10.4416325
1992-11-01	10.4798409
1992-12-01	11.1883689
1993-01-01	11.7070920
1993-02-01	12.1271529
1993-03-01	11.2827671
1993-04-01	10.8421538
1993-05-01	10.7241859
1993-06-01	10.6707003
1993-07-01	10.3750797
1993-08-01	10.7013779
1993-09-01	10.6909756
1993-10-01	10.3412970
1993-11-01	10.3369086
1993-12-01	10.6962924
1994-01-01	11.3955236
1994-02-01	11.4949297
1994-03-01	10.7763130
1994-04-01	10.0694828
1994-05-01	9.7036077
1994-06-01	9.5165567
1994-07-01	9.1130377
1994-08-01	9.1951675
1994-09-01	9.3353087
1994-10-01	8.5840675
1994-11-01	8.6209010
1994-12-01	8.8613872
1995-01-01	9.5422373
1995-02-01	9.7911894
1995-03-01	9.0118693
1995-04-01	8.2780857
1995-05-01	8.4211313
1995-06-01	8.1022665
1995-07-01	7.9302894
1995-08-01	8.0917979
1995-09-01	8.3554625
1995-10-01	8.1013605
1995-11-01	7.9814481
1995-12-01	8.0602398
1996-01-01	9.1014612
1996-02-01	9.2416000
1996-03-01	8.8020822
1996-04-01	8.6617504
1996-05-01	8.3715257
1996-06-01	8.0107443
1996-07-01	8.0283520
1996-08-01	8.4570913
1996-09-01	8.5754273
1996-10-01	8.2884595
1996-11-01	7.9986847
1996-12-01	8.5361898
1997-01-01	9.1871520
1997-02-01	9.6626154
1997-03-01	8.9816342
1997-04-01	8.6009808
1997-05-01	8.5110993
1997-06-01	8.0963095
1997-07-01	8.0320487
1997-08-01	8.2661166
1997-09-01	8.0778740
1997-10-01	7.6073718
1997-11-01	7.5470544
1997-12-01	7.7795918
1998-01-01	8.4578496
1998-02-01	8.6306448
1998-03-01	8.2218502
1998-04-01	7.6379274
1998-05-01	7.7356520
1998-06-01	7.6227490
1998-07-01	7.4411983
1998-08-01	7.5471415
1998-09-01	7.6427696
1998-10-01	6.9298585
1998-11-01	7.2166521
1998-12-01	7.0448600
1999-01-01	7.6528540
1999-02-01	7.9180990
1999-03-01	7.3480196
1999-04-01	7.0307116
1999-05-01	7.0122193
1999-06-01	6.4760354
1999-07-01	6.1998798
1999-08-01	6.7187837
1999-09-01	7.0805553
1999-10-01	6.4165067
1999-11-01	6.0636051
1999-12-01	6.5682269
2000-01-01	7.2531202
2000-02-01	7.3964942
2000-03-01	6.8839213
2000-04-01	6.4475999
2000-05-01	6.4113685
2000-06-01	5.9488316
2000-07-01	5.5059457
2000-08-01	5.8740410
2000-09-01	5.9971911
2000-10-01	5.6872127
2000-11-01	5.8856145
2000-12-01	6.1352138
2001-01-01	6.6140838
2001-02-01	7.2793105
2001-03-01	6.7684855
2001-04-01	6.8505050
2001-05-01	6.8697749
2001-06-01	6.7351131
2001-07-01	6.3335496
2001-08-01	6.6403167
2001-09-01	6.8654353
2001-10-01	6.7711207
2001-11-01	6.4688072
2001-12-01	6.7095742
2002-01-01	7.5534593
2002-02-01	7.3365333
2002-03-01	6.7426186
2002-04-01	6.4139534
2002-05-01	6.3641089
2002-06-01	6.3229471
2002-07-01	5.6730683
2002-08-01	6.1070935
2002-09-01	6.3557771
2002-10-01	5.7682628
2002-11-01	5.7438393
2002-12-01	6.0452744
2003-01-01	6.6673153
2003-02-01	6.7012041
2003-03-01	6.4258188
2003-04-01	6.1042784
2003-05-01	6.0673351
2003-06-01	5.9003182
2003-07-01	5.6203136
2003-08-01	5.5911078
2003-09-01	5.7978668
2003-10-01	5.4474196
2003-11-01	5.2597384
2003-12-01	5.5583274
2004-01-01	6.0573981
2004-02-01	6.3600547
2004-03-01	5.7115807
2004-04-01	5.5771416
2004-05-01	5.3426491
2004-06-01	5.3299592
2004-07-01	5.0896911
2004-08-01	5.2980784
2004-09-01	5.3939932
2004-10-01	4.8276242
2004-11-01	4.7922465
2004-12-01	4.9803858
2005-01-01	5.5758647
2005-02-01	5.7273090
2005-03-01	5.4393232
2005-04-01	5.1894301
2005-05-01	5.1118960
2005-06-01	4.8325796
2005-07-01	4.5595545
2005-08-01	4.6980991
2005-09-01	5.0103803
2005-10-01	4.7303604
2005-11-01	4.5712018
2005-12-01	4.9605702
2006-01-01	5.6690133
2006-02-01	5.7412708
2006-03-01	5.1246414
2006-04-01	5.0406794
2006-05-01	4.8137301
2006-06-01	4.6916450
2006-07-01	4.2786831
2006-08-01	4.5114414
2006-09-01	4.6691330
2006-10-01	4.2169575
2006-11-01	4.1946650
2006-12-01	4.4710167
2007-01-01	4.9999590
2007-02-01	5.2301543
2007-03-01	4.7140294
2007-04-01	4.4564798
2007-05-01	4.2774755
2007-06-01	4.2129282
2007-07-01	3.9149252
2007-08-01	4.1166713
2007-09-01	4.2115748
2007-10-01	4.0970234
2007-11-01	4.1081709
2007-12-01	4.2104263
2008-01-01	4.5641001
2008-02-01	4.4983162
2008-03-01	4.2992943
2008-04-01	4.3261106
2008-05-01	4.2824745
2008-06-01	4.1282791
2008-07-01	3.9264848
2008-08-01	3.8543187
2008-09-01	4.2758409
2008-10-01	4.0712553
2008-11-01	4.1509670
2008-12-01	4.4345150
2009-01-01	5.3188148
2009-02-01	5.9675432
2009-03-01	6.0426155
2009-04-01	5.5733141
2009-05-01	5.8276561
2009-06-01	5.7303873
2009-07-01	5.2733888
2009-08-01	5.5030329
2009-09-01	5.6133155
2009-10-01	5.3556496
2009-11-01	5.1953553
2009-12-01	5.3235521
2010-01-01	5.7055882
2010-02-01	5.9633801
2010-03-01	5.7484296
2010-04-01	5.5491480
2010-05-01	5.2293027
2010-06-01	5.0071124
2010-07-01	4.9302813
2010-08-01	4.8493638
2010-09-01	5.0382480
2010-10-01	5.0330273
2010-11-01	4.7700931
2010-12-01	4.7361108
2011-01-01	5.3961280
2011-02-01	5.6117826
2011-03-01	5.2316598
2011-04-01	4.9954858
2011-05-01	5.0045419
2011-06-01	4.7873873
2011-07-01	4.7707664
2011-08-01	5.0904440
2011-09-01	5.1965430
2011-10-01	4.9635929
2011-11-01	4.8930236
2011-12-01	5.0349047
2012-01-01	5.4428922
2012-02-01	5.8614415
2012-03-01	5.5021356
2012-04-01	5.0239204
2012-05-01	5.1694796
2012-06-01	5.0134678
2012-07-01	4.8822164
2012-08-01	4.9844814
2012-09-01	5.4560789
2012-10-01	5.1851074
2012-11-01	4.9245498
2012-12-01	5.2464125
2013-01-01	5.8064070
2013-02-01	6.0915366
2013-03-01	5.9702275
2013-04-01	5.6155857
2013-05-01	5.5642425
2013-06-01	5.5359801
2013-07-01	5.3381865
2013-08-01	5.6558789
2013-09-01	5.6692940
2013-10-01	5.5957954
2013-11-01	5.4337780
2013-12-01	5.6797582
2014-01-01	6.3846881
2014-02-01	6.8070319
2014-03-01	6.2346338
2014-04-01	5.8226418
2014-05-01	5.8514051
2014-06-01	5.8822975
2014-07-01	6.0399413
2014-08-01	5.9640007
2014-09-01	6.0802108
2014-10-01	6.1146704
2014-11-01	5.8824903
2014-12-01	5.8820385
2015-01-01	6.8087222
2015-02-01	6.6691260
2015-03-01	6.4681825
2015-04-01	6.1311354
2015-05-01	5.8380029
2015-06-01	5.8476376
2015-07-01	6.1542072
2015-08-01	6.1018860
2015-09-01	6.0181485
2015-10-01	5.6751861
2015-11-01	5.4591089
2015-12-01	5.5240097
2016-01-01	6.4896390
2016-02-01	6.1728555
2016-03-01	5.9992811
2016-04-01	5.6706885
2016-05-01	5.6253039
2016-06-01	5.5425827
2016-07-01	5.5795897
2016-08-01	5.6149217
2016-09-01	5.5062633
2016-10-01	5.3420325
2016-11-01	5.3698014
2016-12-01	5.6205981
2017-01-01	6.1427771
2017-02-01	6.3493181
2017-03-01	6.2179379
2017-04-01	5.6597114
2017-05-01	5.4368578
2017-06-01	5.4513230
2017-07-01	5.4949051
2017-08-01	5.5141371
2017-09-01	5.3198259
2017-10-01	5.1262080
2017-11-01	5.0459088
2017-12-01	5.3981969
2018-01-01	5.9651166
2018-02-01	6.0471765
2018-03-01	5.8694913
2018-04-01	5.5842170
2018-05-01	5.2880184
2018-06-01	5.1762319
2018-07-01	5.2008081
2018-08-01	5.2686785
2018-09-01	4.8651851