Quarter	Percent, Seasonally Adjusted
1998-04-01	21.5001593653717
1999-04-01	21.7789681420919
2000-04-01	22.2268863469409
2001-04-01	22.6044055312348
2002-04-01	23.2871545161512
2003-04-01	23.2139222470995
2004-04-01	24.0346518031025
2005-04-01	24.9028013159206
2006-04-01	24.5837446528463
2007-04-01	24.2202253044214
2008-04-01	24.5379120351091
2009-04-01	24.7588525465800
2010-01-01	25.8879199171032
2010-04-01	25.5744957899742
2010-07-01	25.5614117207338
2010-10-01	25.5865462359837
2011-01-01	25.2742100352594
2011-04-01	25.3611985346712
2011-07-01	25.3101017927989
2011-10-01	25.3186193603321
2012-01-01	25.5802545991568
2012-04-01	25.5942897350458
2012-07-01	25.4086586635686
2012-10-01	25.4493904652946
2013-01-01	25.5839711912332
2013-04-01	25.8191238533632
2013-07-01	25.9490095785655
2013-10-01	25.8885425314617
2014-01-01	25.9592342592513
2014-04-01	25.7056842610138
2014-07-01	25.8425588041464
2014-10-01	25.9185052111203
2015-01-01	25.7714229040733
2015-04-01	25.8423331707268
2015-07-01	25.8864530241233
2015-10-01	25.6093347116233
2016-01-01	25.5133580267786
2016-04-01	25.6032720009547
2016-07-01	25.3760292009654
2016-10-01	25.5091296957049
2017-01-01	25.5300720005562
2017-04-01	25.5032107898144
2017-07-01	25.5110431948669
2017-10-01	25.5612009794389
2018-01-01	25.5823919005093
2018-04-01	25.4735956078111