Quarterly Percent
1969-01-01 3.62257792754844
1969-04-01 2.22984562607204
1969-07-01 2.09030100334448
1969-10-01 2.39726027397260
1970-01-01 2.42005185825411
1970-04-01 1.61702127659574
1970-07-01 1.43702451394759
1970-10-01 2.12224108658744
1971-01-01 2.06362854686156
1971-04-01 1.61564625850340
1971-07-01 1.44804088586031
1971-10-01 2.12404418011895
1972-01-01 2.31560891938250
1972-04-01 1.54639175257732
1972-07-01 1.93277310924370
1972-10-01 1.94420963651733
1973-01-01 1.94750211685013
1973-04-01 1.87393526405451
1973-07-01 1.51898734177215
1973-10-01 1.63090128755365
1974-01-01 2.31560891938250
1974-04-01 1.57545605306799
1974-07-01 1.58862876254181
1974-10-01 2.38297872340426
1975-01-01 2.23559759243336
1975-04-01 2.00348432055749
1975-07-01 2.08695652173913
1975-10-01 2.93103448275862
1976-01-01 2.61780104712042
1976-04-01 2.33160621761658
1976-07-01 2.34171725932350
1976-10-01 2.50000000000000
1977-01-01 2.24331320103538
1977-04-01 1.88841201716738
1977-07-01 2.37087214225233
1977-10-01 2.56191289496157
1978-01-01 2.46179966044143
1978-04-01 2.78951817413356
1978-07-01 2.61865793780687
1978-10-01 3.31674958540630
1979-01-01 3.11710193765796
1979-04-01 2.72502064409579
1979-07-01 3.01548492257539
1979-10-01 3.42857142857143
1980-01-01 2.63591433278418
1980-04-01 2.53267973856209
1980-07-01 2.99750208159867
1980-10-01 3.05785123966942
1981-01-01 3.22847682119205
1981-04-01 3.48460291734198
1981-07-01 3.53413654618474
1981-10-01 4.01929260450161
1982-01-01 3.86130811662727
1982-04-01 4.13683373110581
1982-07-01 5.09652509652510
1982-10-01 5.35714285714286
1983-01-01 5.49450549450549
1983-04-01 5.14018691588785
1983-07-01 4.91036632891660
1983-10-01 4.81452249408051
1984-01-01 3.94537177541730
1984-04-01 3.08734939759036
1984-07-01 3.41499628804751
1984-10-01 3.87481371087928
1985-01-01 3.79939209726444
1985-04-01 3.15078769692423
1985-07-01 3.47694633408919
1985-10-01 3.77643504531722
1986-01-01 3.45604808414726
1986-04-01 2.69058295964126
1986-07-01 2.57731958762887
1986-10-01 3.57142857142857
1987-01-01 4.47870778267254
1987-04-01 3.66568914956012
1987-07-01 4.30107526881720
1987-10-01 3.84336475707034
1988-01-01 3.89048991354467
1988-04-01 3.56622998544396
1988-07-01 4.14878397711016
1988-10-01 4.35714285714286
1989-01-01 3.59971202303816
1989-04-01 3.42857142857143
1989-07-01 3.30752990851513
1989-10-01 3.97163120567376
1990-01-01 3.64400840925018
1990-04-01 3.42178770949721
1990-07-01 3.62765229295003
1990-10-01 3.63013698630137
1991-01-01 3.69609856262834
1991-04-01 3.33333333333333
1991-07-01 3.63147276395427
1991-10-01 3.94912985274431
1992-01-01 3.90469887491727
1992-04-01 3.71335504885994
1992-07-01 3.66795366795367
1992-10-01 3.85369039843240
1993-01-01 4.11227154046997
1993-04-01 4.87804878048780
1993-07-01 4.22712933753943
1993-10-01 4.66876971608833
1994-01-01 4.29003021148036
1994-04-01 3.55421686746988
1994-07-01 3.68171021377672
1994-10-01 4.32136335970785
1995-01-01 4.92581602373887
1995-04-01 4.02160864345738
1995-07-01 4.13421210305572
1995-10-01 4.30563978168587
1996-01-01 5.21270221689634
1996-04-01 3.77588306942753
1996-07-01 4.29262394195889
1996-10-01 4.61725394896719
1997-01-01 5.26315789473684
1997-04-01 3.86240193120097
1997-07-01 4.71641791044776
1997-10-01 4.74759615384615
1998-01-01 5.31914893617021
1998-04-01 4.43379269023367
1998-07-01 4.25914817036593
1998-10-01 4.31654676258993
1999-01-01 4.75319926873857
1999-04-01 3.54174195880014
1999-07-01 3.44066785927251
1999-10-01 3.58345358345358
2000-01-01 4.59330706345939
2000-04-01 3.67554624363963
2000-07-01 3.63420427553444
2000-10-01 3.46158413490084
2001-01-01 4.12510268747800
2001-04-01 3.62957343759118
2001-07-01 3.75900228350606
2001-10-01 3.69402334901551
2002-01-01 4.53027860925628
2002-04-01 3.47141865308956
2002-07-01 3.79601447194625
2002-10-01 3.73697241895549
2003-01-01 4.33967622834422
2003-04-01 4.36612604523262
2003-07-01 3.98143488229044
2003-10-01 4.18222976796831
2004-01-01 5.89078811517724
2004-04-01 5.76571428571429
2004-07-01 6.04512797485406
2004-10-01 5.93124505258396
2005-01-01 5.69684069011875
2005-04-01 5.86137731223535
2005-07-01 6.05235944048332
2005-10-01 5.81318317323617
2006-01-01 5.85141354372124
2006-04-01 5.60488044011112
2006-07-01 5.43937530085040
2006-10-01 5.51343154246100
2007-01-01 5.36912751677852
2007-04-01 5.59414404787348
2007-07-01 5.45511384358881
2007-10-01 4.78182588434654
2008-01-01 4.47383674974970
2008-04-01 4.00883838383838
2008-07-01 4.42583113592886
2008-10-01 4.72632944228275
2009-01-01 4.78952001242686
2009-04-01 4.97681607418856
2009-07-01 5.68636386652489
2009-10-01 4.88168724279835
2010-01-01 4.61506835234865
2010-04-01 4.66872110939908
2010-07-01 4.66043928300934
2010-10-01 4.57669398768009
2011-01-01 4.87990270598966
2011-04-01 4.18765582862667
2011-07-01 4.07529788725343
2011-10-01 5.19748427672956
2012-01-01 4.96670505181996
2012-04-01 4.52293991094211
2012-07-01 5.01649190173780
2012-10-01 4.63635459158293
2013-01-01 5.34491315136476
2013-04-01 4.80807281361298
2013-07-01 5.43098427489808
2013-10-01 5.59247772362526
2014-01-01 5.81008321096427
2014-04-01 5.03934698665624
2014-07-01 5.39869535585629
2014-10-01 5.27909361722909
2015-01-01 5.31820860341780
2015-04-01 5.35705581281989
2015-07-01 5.17233114424045
2015-10-01 5.39163863527150
2016-01-01 5.59313090612558
2016-04-01 5.50138610075519
2016-07-01 5.82127419657959
2016-10-01 5.25565481847558
2017-01-01 5.21275075046457
2017-04-01 4.89102046630894
2017-07-01 5.01741504283159
2017-10-01 5.01344149412819
2018-01-01 4.78357749016261
2018-04-01 4.32902490020909