Quarter	Percent, Seasonally Adjusted
1998-04-01	4.03800475059382
1999-04-01	2.53248917027657
2000-04-01	2.97717499173007
2001-04-01	1.76470588235294
2002-04-01	2.07677784770296
2003-04-01	2.47584541062802
2004-04-01	3.10650887573964
2005-04-01	3.72871403405754
2006-04-01	2.80996523754345
2007-04-01	2.58790436005626
2008-04-01	2.46196403872752
2009-04-01	3.02287581699346
2010-01-01	4.08407228606244
2010-04-01	3.42123391902691
2010-07-01	3.67008244868983
2010-10-01	2.93753085027853
2011-01-01	3.43144592093506
2011-04-01	3.62509496368205
2011-07-01	3.14290180764248
2011-10-01	3.51103002881258
2012-01-01	3.67862016050737
2012-04-01	3.05108098979240
2012-07-01	3.21171654713137
2012-10-01	3.35666325951132
2013-01-01	3.15181825474919
2013-04-01	3.61469092288992
2013-07-01	3.29414888509978
2013-10-01	3.39229916823519
2014-01-01	3.09481422913309
2014-04-01	3.45821267196199
2014-07-01	3.36246272259460
2014-10-01	3.83783275389588
2015-01-01	4.15295125216840
2015-04-01	3.78009780194208
2015-07-01	5.13145990532764
2015-10-01	4.67191629688436
2016-01-01	4.14278090964469
2016-04-01	4.70657836754473
2016-07-01	4.29483984250883
2016-10-01	4.12825153630952
2017-01-01	4.07317605707977
2017-04-01	4.29622367676696
2017-07-01	4.10143244193563
2017-10-01	4.40296116410504
2018-01-01	4.55784504197564
2018-04-01	4.59106253590530