Quarter	Percent, Seasonally Adjusted
1999-01-01	-15.54141569351210
1999-04-01	-17.48354423517400
1999-07-01	-18.64161200253960
1999-10-01	-20.63344810195940
2000-01-01	-18.33536689220680
2000-04-01	-20.62326915028450
2000-07-01	-21.95144476640150
2000-10-01	-22.65684017001450
2001-01-01	-21.32144894147650
2001-04-01	-20.89038073233290
2001-07-01	-23.73723551192670
2001-10-01	-23.91630374477750
2002-01-01	-21.84252140492290
2002-04-01	-22.49188815164130
2002-07-01	-21.28510593792270
2002-10-01	-22.49067573124160
2003-01-01	-21.29495491644300
2003-04-01	-20.85275867102390
2003-07-01	-23.35123485157430
2003-10-01	-21.45546790439600
2004-01-01	-22.47726454282110
2004-04-01	-23.26704747228830
2004-07-01	-21.93845940563210
2004-10-01	-20.58769698659470
2005-01-01	-20.72826314414890
2005-04-01	-20.33538325959790
2005-07-01	-19.91450177851970
2005-10-01	-21.55055985416510
2006-01-01	-23.99864117765310
2006-04-01	-24.82286144447220
2006-07-01	-25.55237966839040
2006-10-01	-25.80824501208650
2007-01-01	-24.47778910990840
2007-04-01	-23.63117215951620
2007-07-01	-23.34348431892800
2007-10-01	-19.48923319132220
2008-01-01	-20.01034377842240
2008-04-01	-17.70722101151350
2008-07-01	-15.99464145905490
2008-10-01	-14.24288392339160
2009-01-01	-11.13688986671570
2009-04-01	-7.53881014883230
2009-07-01	-7.83195347122965
2009-10-01	-5.90142614086816
2010-01-01	-7.53713768752455
2010-04-01	-7.08797943124637
2010-07-01	-9.08393268252637
2010-10-01	-11.76326292752960
2011-01-01	-9.70619293743088
2011-04-01	-9.98459456758756
2011-07-01	-12.26279982184490
2011-10-01	-12.16211213948230
2012-01-01	-13.01507719651350
2012-04-01	-14.30257934016050
2012-07-01	-9.22296266466065
2012-10-01	-8.96916546359542
2013-01-01	-12.06957554406920
2013-04-01	-11.53915028480540
2013-07-01	-11.71998793679260
2013-10-01	-9.31750485646449
2014-01-01	-9.89214154631228
2014-04-01	-10.70112298144660
2014-07-01	-9.94691152619061
2014-10-01	-8.96584484474748
2015-01-01	-9.58000073462184
2015-04-01	-9.21123310205534
2015-07-01	-9.02159087020219
2015-10-01	-7.12382202807097
2016-01-01	-8.08140695554185
2016-04-01	-7.82081411937941
2016-07-01	-6.85138083463704
2016-10-01	-8.56481344077438
2017-01-01	-8.50776185804739
2017-04-01	-9.67441437485155
2017-07-01	-10.74895247104440
2017-10-01	-8.25691097115636
2018-01-01	-7.94448014900652
2018-04-01	-9.38597039630987