Quarter	Percent
1999-04-01	3.26104547661434
2000-01-01	4.00518890870764
2000-04-01	3.62070340537523
2000-07-01	3.07172724348665
2000-10-01	3.07629870129870
2001-01-01	3.66335834745421
2001-04-01	3.84951881014873
2001-07-01	3.45268542199488
2001-10-01	3.30611914962412
2002-01-01	4.05340196236127
2002-04-01	3.96063179617430
2002-07-01	3.82348255536084
2002-10-01	3.79757085020243
2003-01-01	4.06214597831364
2003-04-01	4.45334401281538
2003-07-01	4.69201154956689
2003-10-01	4.16429905024759
2004-01-01	4.67614278791795
2004-04-01	4.56000000000000
2004-07-01	4.69096671949287
2004-10-01	4.36351969198684
2005-01-01	4.68762499000080
2005-04-01	4.73896216728536
2005-07-01	4.69819784370819
2005-10-01	4.07839403316671
2006-01-01	4.00314589068030
2006-04-01	4.00000000000000
2006-07-01	3.22108345534407
2006-10-01	2.57504071977042
2007-01-01	2.76594096226854
2007-04-01	2.75368933515898
2007-07-01	2.44620611551529
2007-10-01	2.26982337467118
2008-01-01	2.68356317554976
2008-04-01	2.89675300985042
2008-07-01	2.59437399795948
2008-10-01	2.69213748340463
2009-01-01	3.66503776099511
2009-04-01	3.68509212730318
2009-07-01	3.48537322231228
2009-10-01	3.37236881114735
2010-01-01	4.18662932114690
2010-04-01	4.52999493451046
2010-07-01	3.66992558003794
2010-10-01	3.77069506235869
2011-01-01	3.58301386021822
2011-04-01	3.77331108047312
2011-07-01	2.98142013538816
2011-10-01	3.33931777378815
2012-01-01	3.83464005702067
2012-04-01	3.85102787947057
2012-07-01	3.08724832214765
2012-10-01	3.46513605442177
2013-01-01	3.78723404255319
2013-04-01	3.99748410091551
2013-07-01	3.27410102140758
2013-10-01	3.31994079086488
2014-01-01	3.78873239436620
2014-04-01	3.69882026370576
2014-07-01	3.38959601549530
2014-10-01	3.94864677307425
2015-01-01	4.43984832816270
2015-04-01	4.80560087003806
2015-07-01	4.74894543475303
2015-10-01	4.24346629986245
2016-01-01	5.59158872123984
2016-04-01	5.84402362044390
2016-07-01	5.07221807825320
2016-10-01	4.92627807634008
2017-01-01	5.07903780068728
2017-04-01	4.73134430258756
2017-07-01	4.28805908904391
2017-10-01	4.22690348340906
2018-01-01	4.33294544458895
2018-04-01	4.17115902964960