Month	Percent
1999-06-01	35.8291589770630
1999-07-01	36.6965226554268
1999-08-01	36.9141653501843
1999-09-01	36.0526315789474
1999-10-01	35.7180431351920
1999-11-01	37.5131440588854
1999-12-01	42.0126116657909
2000-01-01	44.9054621848740
2000-02-01	44.7322834645669
2000-03-01	41.4057172829793
2000-04-01	39.3682830930537
2000-05-01	38.2189628077528
2000-06-01	38.4267015706806
2000-07-01	38.6607376405964
2000-08-01	39.1141886595244
2000-09-01	38.1018276762402
2000-10-01	38.3568075117371
2000-11-01	39.9244398124023
2000-12-01	43.7672481124707
2001-01-01	46.9258777633290
2001-02-01	46.4380358534684
2001-03-01	42.6531671858775
2001-04-01	39.0015560165975
2001-05-01	37.8425278425278
2001-06-01	37.8985507246377
2001-07-01	38.3975187386922
2001-08-01	38.5629514963880
2001-09-01	37.5901132852729
2001-10-01	37.1369827807762
2001-11-01	38.6964331537080
2001-12-01	42.1772540983607
2002-01-01	44.4631901840491
2002-02-01	43.6029599387599
2002-03-01	40.4890473764646
2002-04-01	38.5659801678108
2002-05-01	37.8634864247653
2002-06-01	37.3606889564336
2002-07-01	37.9317319848293
2002-08-01	38.6399192530911
2002-09-01	37.2104733131923
2002-10-01	37.0477386934673
2002-11-01	38.6588117322637
2002-12-01	41.9364523392544
2003-01-01	45.4618072890664
2003-02-01	45.6701544593921
2003-03-01	42.4838388861263
2003-04-01	40.2108657901265
2003-05-01	39.3564356435644
2003-06-01	39.5627470355731
2003-07-01	39.8742603550296
2003-08-01	40.6916071868078
2003-09-01	39.1695331695332
2003-10-01	38.7325324834518
2003-11-01	39.3222412527526
2003-12-01	42.0933072789448
2004-01-01	43.6966593513777
2004-02-01	42.8992210321324
2004-03-01	40.3791008505468
2004-04-01	39.1193595342067
2004-05-01	38.9561637200291
2004-06-01	38.4723229393280
2004-07-01	39.4062273714699
2004-08-01	39.6119546878766
2004-09-01	38.4937439846006
2004-10-01	37.9745314752523
2004-11-01	38.7859884836852
2004-12-01	40.9844311377246
2005-01-01	43.1700907787864
2005-02-01	43.4602570204664
2005-03-01	40.6282598387862
2005-04-01	38.3963155408597
2005-05-01	37.4170783345095
2005-06-01	37.3752050621045
2005-07-01	38.7298245614035
2005-08-01	38.9789719626168
2005-09-01	37.9691876750700
2005-10-01	37.8782933084635
2005-11-01	38.6283185840708
2005-12-01	41.5771109560363
2006-01-01	42.8578056135467
2006-02-01	42.6202590194265
2006-03-01	39.7533425541724
2006-04-01	38.0367816091954
2006-05-01	36.9951867980747
2006-06-01	36.6514285714286
2006-07-01	38.2519397535372
2006-08-01	38.7554137223615
2006-09-01	37.7663934426230
2006-10-01	36.3065726631794
2006-11-01	36.5402089959110
2006-12-01	39.2874971636034
2007-01-01	41.4250169644877
2007-02-01	41.0910730387737
2007-03-01	38.1415730337079
2007-04-01	36.4442454097626
2007-05-01	35.1328421522661
2007-06-01	35.3462480516589
2007-07-01	36.2550066755674
2007-08-01	37.0151245551601
2007-09-01	36.3711111111111
2007-10-01	36.1816970235451
2007-11-01	36.9715808170515
2007-12-01	39.2812777284827
2008-01-01	41.2726870296591
2008-02-01	41.1373674911661
2008-03-01	38.7552324300507
2008-04-01	36.8850296768521
2008-05-01	36.2332821749616
2008-06-01	36.0717410323710
2008-07-01	36.7779232111693
2008-08-01	37.5766804437677
2008-09-01	36.8062486439575
2008-10-01	36.7351795759412
2008-11-01	36.8910463861920
2008-12-01	39.9332902948139
2009-01-01	41.9121114683816
2009-02-01	41.4749199573106
2009-03-01	39.2157279489904
2009-04-01	37.2746508675413
2009-05-01	36.7965459140691
2009-06-01	35.6244761106454
2009-07-01	37.0135557872784
2009-08-01	37.2357217030114
2009-09-01	36.2763756723211
2009-10-01	36.0972594271585
2009-11-01	36.4238818219122
2009-12-01	39.8815359477124
2010-01-01	40.1158772108152
2010-02-01	40.6939105806191
2010-03-01	38.5438066465257
2010-04-01	36.7368210062137
2010-05-01	35.2104528226611
2010-06-01	35.2471709350804
2010-07-01	35.8675889328063
2010-08-01	36.7289535798584
2010-09-01	36.5067554337184
2010-10-01	35.8499025341131
2010-11-01	36.4939852541715
2010-12-01	38.5979142526072
2011-01-01	41.1630142252980
2011-02-01	39.4707638144803
2011-03-01	37.3231255594279
2011-04-01	36.1318572999204
2011-05-01	34.4829537950682
2011-06-01	34.4744699630054
2011-07-01	35.3719285807571
2011-08-01	35.5714922711058
2011-09-01	36.0629047178538
2011-10-01	34.4584262210513
2011-11-01	34.8830382533713
2011-12-01	37.1535580524345
2012-01-01	39.0251435215464
2012-02-01	38.1329858471785
2012-03-01	36.0743518551906
2012-04-01	34.4198994252874
2012-05-01	33.0673727145873
2012-06-01	33.3915460831136
2012-07-01	34.7912419111781
2012-08-01	34.9379705227441
2012-09-01	34.2617059507452
2012-10-01	33.9245263139410
2012-11-01	34.2768121269408
2012-12-01	36.8420134345285
2013-01-01	38.5287539659148
2013-02-01	37.8464248096282
2013-03-01	35.8580125890001
2013-04-01	33.7586927477647
2013-05-01	32.4797406807131
2013-06-01	32.4027187765506
2013-07-01	32.9329363199567
2013-08-01	33.4646663635904
2013-09-01	33.1752522036398
2013-10-01	32.4132294811281
2013-11-01	32.9747675962815
2013-12-01	35.1354030699073
2014-01-01	35.8917852150317
2014-02-01	34.8824646411734
2014-03-01	33.4359876814782
2014-04-01	31.3815810815194
2014-05-01	30.8345576957231
2014-06-01	31.3645130183221
2014-07-01	31.7627866807408
2014-08-01	32.4662721140384
2014-09-01	31.8925677386680
2014-10-01	31.6932233278750
2014-11-01	31.7335254773578
2014-12-01	33.4517687392863
2015-01-01	34.4765035116824
2015-02-01	33.7894119824767
2015-03-01	32.6503675737066
2015-04-01	32.0786122224598
2015-05-01	31.0050900250703
2015-06-01	31.0998563761433
2015-07-01	31.0847177328422
2015-08-01	31.8645688586071
2015-09-01	31.4280198402091
2015-10-01	31.3062730627306
2015-11-01	31.6275930870573
2015-12-01	32.9784907036092
2016-01-01	34.4091482970294
2016-02-01	34.1647432198500
2016-03-01	33.3185149068590
2016-04-01	32.0493263953240
2016-05-01	31.3023512904460
2016-06-01	31.1854471670730
2016-07-01	31.0262596790484
2016-08-01	31.3150240519074
2016-09-01	31.0741866235468
2016-10-01	30.7616413990523
2016-11-01	30.6847303605812
2016-12-01	32.1899080288342
2017-01-01	33.3383810572687
2017-02-01	32.7711140998545
2017-03-01	31.5168762227908
2017-04-01	30.4408314692564
2017-05-01	29.8831975850863
2017-06-01	30.0519188276918
2017-07-01	30.4340777367973
2017-08-01	30.5199262439602
2017-09-01	30.1196095258528
2017-10-01	29.8605359480617
2017-11-01	29.9918814964665
2017-12-01	31.4406948219850
2018-01-01	32.5559886371144
2018-02-01	33.0445658613653
2018-03-01	31.5333753148615
2018-04-01	30.6995411344829
2018-05-01	30.0332182635316
2018-06-01	30.2347015603500
2018-07-01	30.8250320608314
2018-08-01	30.8755283806668
2018-09-01	30.7219979102437