Quarter	Percent
1971-01-01	68.3790224556276
1971-04-01	90.7881353575610
1971-07-01	98.1956770454296
1971-10-01	97.7192067628095
1972-01-01	82.7791392770582
1972-04-01	99.4579583839572
1972-07-01	107.5751709316800
1972-10-01	87.3128492419096
1973-01-01	97.1157095885404
1973-04-01	112.9949396050720
1973-07-01	121.4292368330580
1973-10-01	75.7246767324360
1974-01-01	56.6277844945222
1974-04-01	53.6562594118796
1974-07-01	65.8198177070346
1974-10-01	74.2822679282290
1975-01-01	69.8032919440764
1975-04-01	70.6718539747993
1975-07-01	76.6781484617115
1975-10-01	68.7818133648985
1976-01-01	66.3149290384392
1976-04-01	84.2109136689849
1976-07-01	81.5530363172586
1976-10-01	93.7183635624546
1977-01-01	94.4466442011489
1977-04-01	113.0876241729870
1977-07-01	99.8615843090115
1977-10-01	104.4216813085180
1978-01-01	87.8169867613352
1978-04-01	97.9048021923661
1978-07-01	87.2028511489914
1978-10-01	98.3876764994830
1979-01-01	87.8308922094341
1979-04-01	92.7280591398286
1979-07-01	82.8393122094417
1979-10-01	77.6438447497192
1980-01-01	75.2208359660447
1980-04-01	88.4563560753089
1980-07-01	86.4069833747484
1980-10-01	101.0763622355910
1981-01-01	92.5166860352331
1981-04-01	102.1284983291540
1981-07-01	109.6021405066850
1981-10-01	118.6442884424160
1982-01-01	100.9426419409840
1982-04-01	102.0501674092660
1982-07-01	104.0505307802410
1982-10-01	109.1888449111130
1983-01-01	119.4310630903570
1983-04-01	156.8503618766920
1983-07-01	153.3541332293430
1983-10-01	140.4269429667660
1984-01-01	176.3775365426390
1984-04-01	205.4001786562300
1984-07-01	198.2823960272760
1984-10-01	196.6668244585610
1985-01-01	161.1215415702970
1985-04-01	217.7179742793520
1985-07-01	216.2193969675910
1985-10-01	187.4670361496760
1986-01-01	174.9261927627150
1986-04-01	234.1805465953590
1986-07-01	168.9192808262510
1986-10-01	92.3597534920775
1987-01-01	117.3974956192380
1987-04-01	179.6753796717460
1987-07-01	210.7961175759780
1987-10-01	185.1033129513070
1988-01-01	190.1117244560570
1988-04-01	267.0605339301090
1988-07-01	258.6184173520640
1988-10-01	217.8226795443050
1989-01-01	213.1132225063880
1989-04-01	218.0529440352300
1989-07-01	177.1814148702940
1989-10-01	158.8980691853460
1990-01-01	143.0609939523150
1990-04-01	193.9113862290640
1990-07-01	161.7268449031970
1990-10-01	124.6003070428350
1991-01-01	180.4805934451190
1991-04-01	174.7639846180730
1991-07-01	132.4032238008860
1991-10-01	126.5602016249730
1992-01-01	170.1949117249400
1992-04-01	180.9924896558640
1992-07-01	181.9549269550020
1992-10-01	167.1585683276930
1993-01-01	177.8806498113290
1993-04-01	155.0613210381480
1993-07-01	142.8497931734420
1993-10-01	147.8809081661670
1994-01-01	147.0519839232680
1994-04-01	155.0781543165340
1994-07-01	153.5083508232860
1994-10-01	97.5888393263916
1995-01-01	81.5907231871309
1995-04-01	85.9487554704785
1995-07-01	105.0666438625020
1995-10-01	101.4885487647290
1996-01-01	96.0023745187178
1996-04-01	101.0061027433280
1996-07-01	91.1354807914091
1996-10-01	75.2304947906438
1997-01-01	100.8325707539570
1997-04-01	92.1795963394206
1997-07-01	90.1779051275506
1997-10-01	82.2275021475268
1998-01-01	87.2640096147022
1998-04-01	100.2584230200650
1998-07-01	89.1183071009627
1998-10-01	80.2338409272766
1999-01-01	92.9739446760878
1999-04-01	101.6181136857540
1999-07-01	98.8942219386194
1999-10-01	96.6871121464883
2000-01-01	99.7194069272986
2000-04-01	106.0701116787750
2000-07-01	99.2935815175151
2000-10-01	89.8320585531954
2001-01-01	95.9501959976252
2001-04-01	104.3246817348050
2001-07-01	109.8171960256070
2001-10-01	111.8361893108320
2002-01-01	109.6396914065580
2002-04-01	113.8848077692350
2002-07-01	141.5426613909680
2002-10-01	145.5092499924750
2003-01-01	133.7930656208140
2003-04-01	158.2634529831350
2003-07-01	160.1300117260770
2003-10-01	152.7648985721420
2004-01-01	146.0530447833100
2004-04-01	158.3059120136040
2004-07-01	159.5212792386210
2004-10-01	149.1696403603610
2005-01-01	152.2305010795750
2005-04-01	164.9080157910280
2005-07-01	166.7076309280440
2005-10-01	162.8030547616590
2006-01-01	146.3318627985910
2006-04-01	147.7462106653210
2006-07-01	158.7720602693410
2006-10-01	151.1801578071550
2007-01-01	135.3070920833250
2007-04-01	143.8687353378590
2007-07-01	131.3584248657210
2007-10-01	126.0044078111800
2008-01-01	107.5111518851490
2008-04-01	119.1238906929840
2008-07-01	115.9989410892350
2008-10-01	113.3096897968190
2009-01-01	111.5237407020730
2009-04-01	138.9911873980040
2009-07-01	121.3843669769160
2009-10-01	110.8261870818430
2010-01-01	101.9520358975850
2010-04-01	116.2051952991310
2010-07-01	109.4557773560230
2010-10-01	115.5499520857840
2011-01-01	106.3090536659810
2011-04-01	116.9925606600950
2011-07-01	116.3466327429340
2011-10-01	111.7195798385360
2012-01-01	104.2560009381670
2012-04-01	107.7583616527210
2012-07-01	115.6219273064200
2012-10-01	106.3415896032860
2013-01-01	90.9910130366360
2013-04-01	103.7403608835980
2013-07-01	102.6613659094800
2013-10-01	107.4991278849790
2014-01-01	89.5158860846655
2014-04-01	106.3646337052990
2014-07-01	102.8922389765780
2014-10-01	93.9333557842389
2015-01-01	88.2700310970221
2015-04-01	117.6141861052960
2015-07-01	119.3208413515460
2015-10-01	127.3239600636770
2016-01-01	125.5346317710990
2016-04-01	145.0161303622010
2016-07-01	134.2711333867690
2016-10-01	133.4014173750540
2017-01-01	139.7071620556620
2017-04-01	161.7247486700790
2017-07-01	143.0051195469830
2017-10-01	134.8590843733060
2018-01-01	129.0716534988350
2018-04-01	142.5712554972730
2018-07-01	124.1926815881020