Month	Percent
1999-06-01	76.6334440753045
1999-07-01	75.6084070796460
1999-08-01	75.1381215469613
1999-09-01	75.7174392935982
1999-10-01	75.7442116868798
1999-11-01	74.7797356828194
1999-12-01	71.7271727172717
2000-01-01	68.5937242402594
2000-02-01	68.1304204632781
2000-03-01	70.8098031690334
2000-04-01	71.8032966431192
2000-05-01	72.6124056448966
2000-06-01	72.2504507457794
2000-07-01	71.9460963500464
2000-08-01	71.8387360392264
2000-09-01	73.1055866833488
2000-10-01	73.0457928187300
2000-11-01	72.1700927482779
2000-12-01	69.5661593457185
2001-01-01	66.0915188230203
2001-02-01	67.1023494463948
2001-03-01	70.0895264804228
2001-04-01	73.1380257418278
2001-05-01	74.0159174015917
2001-06-01	74.0360863494791
2001-07-01	73.8622353256500
2001-08-01	73.1814291827129
2001-09-01	73.8364645602050
2001-10-01	74.0839369407754
2001-11-01	73.4321853741496
2001-12-01	71.3247772592278
2002-01-01	69.2527519051651
2002-02-01	69.6873679763414
2002-03-01	73.0501686340641
2002-04-01	74.0429112326462
2002-05-01	74.4070109151973
2002-06-01	75.2356514453289
2002-07-01	75.5094576235761
2002-08-01	74.7862802335280
2002-09-01	76.0777991575225
2002-10-01	76.4980544747082
2002-11-01	75.1643459806408
2002-12-01	72.9150529305448
2003-01-01	69.6048632218845
2003-02-01	69.4798519736842
2003-03-01	71.7450387159633
2003-04-01	73.3462935488822
2003-05-01	73.8770926908942
2003-06-01	73.8669925654344
2003-07-01	73.5392744639772
2003-08-01	72.4686913755514
2003-09-01	73.5960740665790
2003-10-01	74.3449946993791
2003-11-01	74.2166246851386
2003-12-01	72.4576484190419
2004-01-01	70.5643340857788
2004-02-01	71.0581639803784
2004-03-01	73.5714285714286
2004-04-01	74.2448409929219
2004-05-01	74.3048992787864
2004-06-01	74.9081703563983
2004-07-01	73.6278977610462
2004-08-01	73.6441390220992
2004-09-01	75.0764827790388
2004-10-01	75.6710169908889
2004-11-01	75.4030672434133
2004-12-01	73.9783152627189
2005-01-01	71.5992557046322
2005-02-01	71.1842040955965
2005-03-01	73.4292682926829
2005-04-01	76.2305857149813
2005-05-01	76.4068422587229
2005-06-01	76.4429139586769
2005-07-01	75.0847293502469
2005-08-01	74.8863965967321
2005-09-01	75.5936293436294
2005-10-01	75.7143545511492
2005-11-01	75.1082459347638
2005-12-01	73.0630673903646
2006-01-01	71.4463900215879
2006-02-01	71.6146955980266
2006-03-01	74.5014585624791
2006-04-01	75.9740259740260
2006-05-01	76.6040613976547
2006-06-01	76.4873869585911
2006-07-01	75.4132623978719
2006-08-01	74.7263162883276
2006-09-01	75.2801550900752
2006-10-01	76.4092645879523
2006-11-01	76.3601280120482
2006-12-01	74.8544327573253
2007-01-01	72.8460997891778
2007-02-01	73.5299616714967
2007-03-01	77.1020845963718
2007-04-01	77.7172901544761
2007-05-01	78.8625812441968
2007-06-01	78.2213987957388
2007-07-01	77.8470778470778
2007-08-01	77.5592002211370
2007-09-01	77.7093765792254
2007-10-01	77.7075316107752
2007-11-01	77.2488464525561
2007-12-01	75.7312072892938
2008-01-01	73.4553879701981
2008-02-01	73.6646581796765
2008-03-01	76.4931779163278
2008-04-01	77.2551139947734
2008-05-01	77.8891085549964
2008-06-01	77.4656091768607
2008-07-01	76.9687765220887
2008-08-01	76.5166688921529
2008-09-01	76.8626929217669
2008-10-01	77.0505568322432
2008-11-01	76.9464505901004
2008-12-01	74.4481986923516
2009-01-01	72.5567361930998
2009-02-01	73.4323935683472
2009-03-01	75.5873029658257
2009-04-01	77.0176121857285
2009-05-01	76.8640303592220
2009-06-01	78.0222613777988
2009-07-01	77.0142484275384
2009-08-01	77.1293576810114
2009-09-01	77.5989836968029
2009-10-01	78.2711264638976
2009-11-01	78.5456831517184
2009-12-01	75.6577575782846
2010-01-01	74.6816013275254
2010-02-01	74.5129602113257
2010-03-01	76.5872689938398
2010-04-01	78.0819678829731
2010-05-01	79.4307786135393
2010-06-01	79.0023061051098
2010-07-01	78.7942206302572
2010-08-01	78.1077403345874
2010-09-01	78.1753771444493
2010-10-01	78.9169503602248
2010-11-01	78.4291338582677
2010-12-01	76.6788049649556
2011-01-01	74.4174265450861
2011-02-01	76.6046511627907
2011-03-01	78.8804071246819
2011-04-01	79.5827580917318
2011-05-01	81.0757200076292
2011-06-01	80.4530965391621
2011-07-01	79.1493540832515
2011-08-01	79.0744920993228
2011-09-01	78.4897882705640
2011-10-01	80.2135045351051
2011-11-01	80.1457465794170
2011-12-01	78.4320260711773
2012-01-01	75.6308100929615
2012-02-01	76.6443742191519
2012-03-01	78.8360175695461
2012-04-01	80.4630811303555
2012-05-01	81.6207184628237
2012-06-01	81.3323201621074
2012-07-01	80.1578435258928
2012-08-01	79.9052676905411
2012-09-01	80.6410118983814
2012-10-01	81.0289617875187
2012-11-01	80.3996598639456
2012-12-01	78.0525665902276
2013-01-01	76.2901809239417
2013-02-01	76.5952980688497
2013-03-01	78.8411957354888
2013-04-01	80.7542849212407
2013-05-01	81.7691776088459
2013-06-01	82.1163110805231
2013-07-01	81.7403220280918
2013-08-01	81.1161870994136
2013-09-01	81.8342211515624
2013-10-01	82.1273003545501
2013-11-01	81.5841650704036
2013-12-01	79.9926418943777
2014-01-01	78.7250332889481
2014-02-01	79.8681289553030
2014-03-01	81.5057876859150
2014-04-01	83.5745937961595
2014-05-01	83.9312553094164
2014-06-01	83.3289970079355
2014-07-01	82.9023592996537
2014-08-01	81.6999356084997
2014-09-01	82.4861471445501
2014-10-01	82.5557680050988
2014-11-01	82.9840525030912
2014-12-01	81.2314680461801
2015-01-01	79.9761471345176
2015-02-01	80.6826343565562
2015-03-01	81.8263733532190
2015-04-01	82.1110561464259
2015-05-01	82.8887863405630
2015-06-01	82.7067899344884
2015-07-01	82.9147258501538
2015-08-01	81.7573905413174
2015-09-01	82.0932330827068
2015-10-01	82.2252780102834
2015-11-01	81.8500579443140
2015-12-01	80.6001890359168
2016-01-01	78.9919675169918
2016-02-01	79.3524043524044
2016-03-01	80.8002093570992
2016-04-01	81.6494666551036
2016-05-01	81.9916654691766
2016-06-01	81.8522116813350
2016-07-01	82.5942255724648
2016-08-01	82.3504394669691
2016-09-01	82.6456790821229
2016-10-01	83.1159685642658
2016-11-01	83.3422242187719
2016-12-01	81.9013769170492
2017-01-01	80.7553906664063
2017-02-01	81.4097038787710
2017-03-01	82.4921703943904
2017-04-01	83.6446016134379
2017-05-01	84.1732760519938
2017-06-01	83.6279784780938
2017-07-01	83.1582690519175
2017-08-01	82.7734641057077
2017-09-01	83.0506634826735
2017-10-01	82.9968377523717
2017-11-01	82.7926885078203
2017-12-01	81.9778510712466
2018-01-01	80.6143982903700
2018-02-01	80.1469022780498
2018-03-01	82.0399289445078
2018-04-01	82.7962385757304
2018-05-01	83.5978000578932
2018-06-01	83.1235907923024
2018-07-01	82.5991419901643
2018-08-01	82.2405512633118
2018-09-01	82.4491496731516