Quarter	Percent, Seasonally Adjusted
1999-01-01	36.5869695551615
1999-04-01	36.3368055881373
1999-07-01	35.8997096760181
1999-10-01	35.4255004329866
2000-01-01	35.1123372699637
2000-04-01	34.7656263185269
2000-07-01	34.4029932668874
2000-10-01	34.1075112365107
2001-01-01	35.7644797784919
2001-04-01	35.5789502365719
2001-07-01	35.1652118971765
2001-10-01	34.8000598351461
2002-01-01	34.0339193319932
2002-04-01	33.5291743783907
2002-07-01	33.1438355289335
2002-10-01	32.9127611685898
2003-01-01	32.5205411079651
2003-04-01	32.2112230930783
2003-07-01	31.7413712319368
2003-10-01	31.4766442614644
2004-01-01	31.4537805418701
2004-04-01	31.2896238320948
2004-07-01	30.9491664197686
2004-10-01	30.6341347574302
2005-01-01	30.4480520611786
2005-04-01	29.9736355219786
2005-07-01	29.9355562954760
2005-10-01	29.5858624497408
2006-01-01	29.2044300390934
2006-04-01	29.0083698006479
2006-07-01	28.8910906507216
2006-10-01	28.5944736859569
2007-01-01	28.5482474596727
2007-04-01	28.3317672339279
2007-07-01	28.1042854334180
2007-10-01	28.0101393215484
2008-01-01	27.6958236998404
2008-04-01	27.3963847824919
2008-07-01	27.2254875004790
2008-10-01	26.8474938302762
2009-01-01	26.6854920567477
2009-04-01	26.9007718473574
2009-07-01	27.0952219342452
2009-10-01	26.9829894469963
2010-01-01	26.7033186659128
2010-04-01	26.4698983082042
2010-07-01	26.3944802678482
2010-10-01	26.3313573041238
2011-01-01	26.2850591584701
2011-04-01	26.0567394073514
2011-07-01	25.9717655665085
2011-10-01	26.0267101371191
2012-01-01	25.8436673818435
2012-04-01	25.7442409206292
2012-07-01	25.6169142054640
2012-10-01	25.7284227498601
2013-01-01	25.5688391847428
2013-04-01	25.8981004753010
2013-07-01	25.7109497028377
2013-10-01	25.7182159786206
2014-01-01	25.9192920983490
2014-04-01	25.8671801598370
2014-07-01	25.9256990172883
2014-10-01	25.5259629281150
2015-01-01	25.7537148251576
2015-04-01	25.5019761051329
2015-07-01	25.7922792736843
2015-10-01	25.7468453685562
2016-01-01	25.6735757593256
2016-04-01	25.7329455202203
2016-07-01	25.7749302581913
2016-10-01	26.0299164303684
2017-01-01	26.0311295997385
2017-04-01	26.2076475060790
2017-07-01	26.0822905804961
2017-10-01	26.1407955644156
2018-01-01	26.3303369383345
2018-04-01	26.2105461453086
2018-07-01	26.2840759958188