Quarter	Percent
1999-01-01	3.90941667156200
1999-04-01	3.69597994869686
1999-07-01	3.68230905548430
1999-10-01	3.40718838422903
2000-01-01	3.11843814397750
2000-04-01	2.83716342256644
2000-07-01	3.13601781406569
2000-10-01	2.96022111318378
2001-01-01	2.65642814683441
2001-04-01	2.59075939747062
2001-07-01	2.75249917181441
2001-10-01	3.18705302336458
2002-01-01	3.14461138539434
2002-04-01	2.91764066849666
2002-07-01	3.28719555370185
2002-10-01	3.48021765909774
2003-01-01	3.47534714845787
2003-04-01	3.25711195658472
2003-07-01	3.57577396241720
2003-10-01	3.68778848567952
2004-01-01	3.74371158415175
2004-04-01	3.16904457250608
2004-07-01	4.00534815940593
2004-10-01	3.66964534777465
2005-01-01	3.76957740549746
2005-04-01	3.53567197829493
2005-07-01	3.85595039351300
2005-10-01	3.74456257912221
2006-01-01	3.79017615240558
2006-04-01	3.62380052961778
2006-07-01	3.58405611640362
2006-10-01	3.53830883395566
2007-01-01	3.54260470648203
2007-04-01	3.37348716208574
2007-07-01	3.23016075288610
2007-10-01	3.15804287657738
2008-01-01	3.15690866510539
2008-04-01	2.78682083520431
2008-07-01	3.48356641073244
2008-10-01	3.02601704693490
2009-01-01	3.52039394220942
2009-04-01	3.29503194873364
2009-07-01	3.64758801969568
2009-10-01	3.60046886392794
2010-01-01	3.87329133045945
2010-04-01	3.59898117753074
2010-07-01	3.88994394443986
2010-10-01	3.54481535324720
2011-01-01	3.13253012048193
2011-04-01	2.91906961489054
2011-07-01	3.43416709855159
2011-10-01	3.13313322390794
2012-01-01	3.16148212602422
2012-04-01	3.07015956869414
2012-07-01	3.42820999367489
2012-10-01	3.67961077574556
2013-01-01	3.73577704162466
2013-04-01	3.59241032469344
2013-07-01	3.88503949745221
2013-10-01	3.77339874967486
2014-01-01	3.85404625572372
2014-04-01	3.62573727501365
2014-07-01	3.85915341833724
2014-10-01	3.80528367876803