Quarter	Net Percent, Seasonally Adjusted
1972-10-01	147.765845930
1973-01-01	132.293031297
1973-04-01	129.323102471
1973-07-01	119.563334065
1973-10-01	143.991700658
1974-01-01	152.228514588
1974-04-01	141.573259828
1974-07-01	136.739109851
1974-10-01	129.775458642
1975-01-01	118.059538261
1975-04-01	49.751462834
1975-07-01	42.038087763
1975-10-01	29.135320163
1976-01-01	29.239473413
1976-04-01	39.193180286
1976-07-01	62.211348747
1976-10-01	50.152241753
1977-01-01	59.805358329
1977-04-01	60.786468155
1977-07-01	66.284038782
1977-10-01	66.105926328
1978-01-01	61.282989880
1978-04-01	58.535300604
1978-07-01	45.151059806
1978-10-01	54.280630649
1979-01-01	69.193502951
1979-04-01	78.527723415
1979-07-01	83.104710909
1979-10-01	89.212464906
1980-01-01	95.706748809
1980-04-01	96.003628881
1980-07-01	86.207966073
1980-10-01	99.301874359
1981-01-01	112.589217261
1981-04-01	113.300229552
1981-07-01	121.269483263
1981-10-01	109.610263454
1982-01-01	96.372933638
1982-04-01	90.191167019
1982-07-01	101.819449271
1982-10-01	90.830384410
1983-01-01	72.188548476
1983-04-01	74.070060924
1983-07-01	95.467743442
1983-10-01	84.810950739
1984-01-01	90.303696681
1984-04-01	92.060051971
1984-07-01	86.198813761
1984-10-01	93.702638875
1985-01-01	98.772500567
1985-04-01	102.060993313
1985-07-01	89.676881500
1985-10-01	89.485520439
1986-01-01	94.177276689
1986-04-01	90.680558932
1986-07-01	85.722245108
1986-10-01	78.044242268
1987-01-01	68.592346593
1987-04-01	66.587821621
1987-07-01	82.204071805
1987-10-01	86.841770071
1988-01-01	82.526283022
1988-04-01	88.574493497
1988-07-01	86.416863322
1988-10-01	86.871934382
1989-01-01	94.614626628
1989-04-01	109.116792045
1989-07-01	103.686743322
1989-10-01	110.128876752
1990-01-01	128.117926302
1990-04-01	117.172507392
1990-07-01	101.904276157
1990-10-01	132.399664263
1991-01-01	117.490402157
1991-04-01	101.577191882
1991-07-01	103.406777115
1991-10-01	110.863486298
1992-01-01	96.529541933
1992-04-01	95.369266805
1992-07-01	95.695793246
1992-10-01	73.271629969
1993-01-01	69.435473896
1993-04-01	64.208121817
1993-07-01	54.762804650
1993-10-01	41.962401863
1994-01-01	47.592061534
1994-04-01	54.793712923
1994-07-01	60.036742961
1994-10-01	94.819658979
1995-01-01	121.397588473
1995-04-01	68.598748223
1995-07-01	55.838493598
1995-10-01	52.345587447
1996-01-01	48.499379058
1996-04-01	45.072544504
1996-07-01	37.418399340
1996-10-01	28.408445696
1997-01-01	18.570876900
1997-04-01	21.546564838
1997-07-01	23.579438325
1997-10-01	32.041915966
1998-01-01	27.278901645
1998-04-01	33.380896883
1998-07-01	32.610857081
1998-10-01	33.575291106
1999-01-01	42.205259830
1999-04-01	43.080995560
1999-07-01	38.792776731
1999-10-01	46.356423371
2000-01-01	60.067821893
2000-04-01	57.679497742
2000-07-01	67.345115524
2000-10-01	71.969749771
2001-01-01	72.339252098
2001-04-01	72.224660546
2001-07-01	71.843852039
2001-10-01	62.728581332
2002-01-01	59.021782819
2002-04-01	66.593864098
2002-07-01	64.293484171
2002-10-01	52.488214304
2003-01-01	53.476718666
2003-04-01	55.875299155
2003-07-01	36.227067302
2003-10-01	59.367422681
2004-01-01	61.206951668
2004-04-01	56.185275222
2004-07-01	57.590836543
2004-10-01	60.292211128
2005-01-01	46.286834797
2005-04-01	37.069182187
2005-07-01	45.469132195
2005-10-01	42.803778445
2006-01-01	44.503894650
2006-04-01	50.224405757
2006-07-01	48.619610915
2006-10-01	47.541078834
2007-01-01	46.023008708
2007-04-01	46.434971768
2007-07-01	56.408361279
2007-10-01	77.904349240
2008-01-01	90.147652105
2008-04-01	80.669513399
2008-07-01	100.235285448
2008-10-01	70.689296518
2009-01-01	-1.730773465
2009-04-01	5.525365477
2009-07-01	26.717737144
2009-10-01	37.222262981
2010-01-01	41.617732375
2010-04-01	49.572750908
2010-07-01	35.666142293
2010-10-01	48.918294137
2011-01-01	44.060598035
2011-04-01	67.129252509
2011-07-01	38.313672644
2011-10-01	8.440322185
2012-01-01	27.993805725
2012-04-01	33.401415561
2012-07-01	31.866289557
2012-10-01	35.921016125
2013-01-01	37.616249465
2013-04-01	36.524287725
2013-07-01	52.637114105
2013-10-01	50.069974425
2014-01-01	53.706298022
2014-04-01	54.393668028
2014-07-01	53.639897824
2014-10-01	48.017682809
2015-01-01	29.818226037
2015-04-01	12.267783076
2015-07-01	17.145115338
2015-10-01	29.186186849
2016-01-01	16.395895910
2016-04-01	29.328385371
2016-07-01	31.468565461
2016-10-01	37.100524026
2017-01-01	41.948501152
2017-04-01	44.873111230
2017-07-01	45.178815210
2017-10-01	48.991831367
2018-01-01	44.031064009
2018-04-01	59.358509575
2018-07-01	59.636255500