Quarter	Percent, Seasonally Adjusted
1999-01-01	7.12230991234862
1999-04-01	7.50942910947709
1999-07-01	7.53649220263977
1999-10-01	7.21146734992759
2000-01-01	6.70112057884103
2000-04-01	7.09139268598616
2000-07-01	6.44912680307600
2000-10-01	6.14259723094714
2001-01-01	5.74100653224304
2001-04-01	5.65337430284534
2001-07-01	5.32717331589557
2001-10-01	6.34102756294594
2002-01-01	6.06038996313202
2002-04-01	5.92850988081437
2002-07-01	6.10935808631020
2002-10-01	5.96628270969641
2003-01-01	6.52414430682516
2003-04-01	6.34387476603397
2003-07-01	6.63156035797656
2003-10-01	6.34305861817092
2004-01-01	6.21477378299111
2004-04-01	6.00676960814630
2004-07-01	5.93024853384932
2004-10-01	5.89113940209017
2005-01-01	5.69707482596076
2005-04-01	5.77226535365440
2005-07-01	6.59492589143811
2005-10-01	6.77772960719013
2006-01-01	5.05572410829283
2006-04-01	5.43757552092765
2006-07-01	5.00330098120761
2006-10-01	4.57562734864501
2007-01-01	4.37832681377921
2007-04-01	3.84926653009361
2007-07-01	4.04139617457231
2007-10-01	4.02939641188234
2008-01-01	4.28520715920214
2008-04-01	3.75275232447789
2008-07-01	4.21608031764619
2008-10-01	4.03050256544854
2009-01-01	5.07674163405100
2009-04-01	5.93011272675666
2009-07-01	6.74620574287555
2009-10-01	6.45789050706654
2010-01-01	6.97327370890850
2010-04-01	7.80896645684258
2010-07-01	7.55782617658198
2010-10-01	8.08138415850824
2011-01-01	8.20145689851283
2011-04-01	8.28930468633128
2011-07-01	8.48113901318101
2011-10-01	8.37170648554339
2012-01-01	7.90700125422721
2012-04-01	8.01885537452207
2012-07-01	9.00414745026891
2012-10-01	9.21857046262103
2013-01-01	10.12994803397620
2013-04-01	10.29417121719130
2013-07-01	8.94112651393726
2013-10-01	9.02342271673748
2014-01-01	9.58852501494913
2014-04-01	8.85157484799333
2014-07-01	9.09636574495607
2014-10-01	9.01833343996972
2015-01-01	8.42252192045398
2015-04-01	8.63383921732165
2015-07-01	7.85081632663144
2015-10-01	7.84137698328803
2016-01-01	7.82172509759377
2016-04-01	7.47033224895347
2016-07-01	7.25405258888565
2016-10-01	7.81101501194106
2017-01-01	6.92867957251283
2017-04-01	5.82152656031094
2017-07-01	5.66387674092553
2017-10-01	5.09549991618392
2018-01-01	4.88728849064376
2018-04-01	5.14631897607675