Quarter Percent 2008-01-01 3.65438953945330 2008-04-01 3.40840287506317 2008-07-01 3.87070864858857 2008-10-01 4.09659994958649 2009-01-01 4.80718143119050 2009-04-01 4.93747225025225 2009-07-01 5.21221286699983 2009-10-01 5.12012609744561 2010-01-01 5.23587111898890 2010-04-01 5.12717808208915 2010-07-01 5.31596685733990 2010-10-01 5.11614575820201 2011-01-01 5.16015949176644 2011-04-01 5.03919968263960 2011-07-01 5.24568168171304 2011-10-01 5.02166660850981 2012-01-01 5.19053152579748 2012-04-01 5.12840727926263 2012-07-01 5.14436974156827 2012-10-01 5.06089349151236 2013-01-01 5.37705379238380 2013-04-01 4.92451203268987 2013-07-01 4.97500737174039 2013-10-01 4.83159444433612 2014-01-01 5.04155382003778 2014-04-01 4.71045636588850 2014-07-01 4.67500747561746 2014-10-01 4.35612360778973 2015-01-01 4.70280168184804 2015-04-01 4.28030850221394 2015-07-01 4.45438670901452 2015-10-01 4.09029004610065 2016-01-01 4.44113772991927 2016-04-01 4.03222819422013 2016-07-01 4.18908194606407 2016-10-01 3.97084996957259 2017-01-01 4.12533961161690 2017-04-01 3.81314702113950 2017-07-01 4.05342439689638 2017-10-01 3.58075466140220 2018-01-01 3.77527926848150 2018-04-01 3.62312755791406