Quarter	Percent
1991-01-01	80.5845956081363
1991-04-01	99.7398176368814
1991-07-01	87.9681524952746
1991-10-01	82.2481603949803
1992-01-01	68.8485076229301
1992-04-01	87.0832471927104
1992-07-01	87.0464042460716
1992-10-01	100.7732632543780
1993-01-01	125.8447974862090
1993-04-01	107.2676149649940
1993-07-01	144.8940187200000
1993-10-01	124.2129673390860
1994-01-01	115.2731424487260
1994-04-01	139.7324156718870
1994-07-01	149.8418014655200
1994-10-01	130.1627478150790
1995-01-01	143.6089416265960
1995-04-01	145.7988312905520
1995-07-01	126.8789674492930
1995-10-01	122.4022354856530
1996-01-01	122.4666822131920
1996-04-01	123.8801228881030
1996-07-01	125.0561396848200
1996-10-01	143.4537840041540
1997-01-01	133.0824959607080
1997-04-01	117.0148078722090
1997-07-01	115.7291470553430
1997-10-01	116.9708989682050
1998-01-01	100.1946347141470
1998-04-01	106.5672340465940
1998-07-01	152.2132807239250
1998-10-01	201.4172996648560
1999-01-01	164.2582074839990
1999-04-01	166.2590760002900
1999-07-01	194.2427579012980
1999-10-01	220.5192921654380
2000-01-01	243.0740383384960
2000-04-01	247.6686070546820
2000-07-01	240.6090665899440
2000-10-01	216.5495289636010
2001-01-01	230.3815226425220
2001-04-01	190.8516767306830
2001-07-01	192.5300423842610
2001-10-01	154.9050855115300
2002-01-01	176.1114404589990
2002-04-01	176.2641846520030
2002-07-01	182.7466393264240
2002-10-01	165.5418319282350
2003-01-01	193.2669994300360
2003-04-01	169.6400346926250
2003-07-01	177.8281878402360
2003-10-01	169.0386235148610
2004-01-01	188.9174477700560
2004-04-01	187.5057668808930
2004-07-01	196.0506348337640
2004-10-01	185.0828759831050
2005-01-01	194.1438131160310
2005-04-01	203.3831675497110
2005-07-01	199.3833533884440
2005-10-01	182.0331920980610
2006-01-01	219.1920352220550
2006-04-01	196.3462338840500
2006-07-01	187.2309933041680
2006-10-01	149.0593399566310
2007-01-01	166.4505137928840
2007-04-01	155.7692280785720
2007-07-01	150.0481375574570
2007-10-01	154.0431815631050
2008-01-01	184.8612619271170
2008-04-01	168.5440371184400
2008-07-01	161.9233451143610
2008-10-01	136.8777035589160
2009-01-01	155.4201417526670
2009-04-01	151.7293442375640
2009-07-01	174.3655080940120
2009-10-01	164.1243140792120
2010-01-01	206.1847587599810
2010-04-01	166.4888137321150
2010-07-01	141.7152251314850
2010-10-01	146.5765293365020
2011-01-01	174.5528223736970
2011-04-01	162.2345732925550
2011-07-01	154.5375507904290
2011-10-01	160.4733121827630
2012-01-01	184.1083770760860
2012-04-01	160.1665234716220
2012-07-01	144.2349638282900
2012-10-01	148.0149967582900
2013-01-01	164.1155395276760
2013-04-01	150.3802333354880
2013-07-01	149.7588183134870
2013-10-01	150.0679072698680
2014-01-01	170.2655108665910
2014-04-01	163.6759700440980
2014-07-01	156.1355208768170
2014-10-01	156.5616157386710
2015-01-01	204.2822933826270
2015-04-01	191.9741499473660
2015-07-01	157.9103008359640
2015-10-01	159.2830285107630
2016-01-01	160.5962984021700
2016-04-01	148.9998968627730
2016-07-01	135.1759232198120
2016-10-01	148.7818112803940
2017-01-01	172.7781091368950
2017-04-01	142.9887400934530
2017-07-01	132.6446536513930
2017-10-01	151.6756594140290
2018-01-01	178.0895982956590
2018-04-01	171.9840355550290
2018-07-01	176.4602160342730