Quarter	Percent, Seasonally Adjusted
1998-01-01	21.5740326049476
1998-04-01	25.8769878878520
1998-07-01	24.9029317405225
1998-10-01	20.2820178648160
1999-01-01	20.7938083582625
1999-04-01	20.6667180032025
1999-07-01	19.9338500882674
1999-10-01	21.9094849327843
2000-01-01	22.8198923857283
2000-04-01	20.8442502245639
2000-07-01	20.1849229774935
2000-10-01	20.7162584850300
2001-01-01	18.8284192410235
2001-04-01	19.3545083995711
2001-07-01	19.6497338396306
2001-10-01	20.4016994055321
2002-01-01	21.1989929640192
2002-04-01	22.1132294830429
2002-07-01	20.4950742339547
2002-10-01	20.8824377770864
2003-01-01	22.6105438657723
2003-04-01	21.1224374445134
2003-07-01	22.1937867401761
2003-10-01	21.7038458301800
2004-01-01	22.1794735751719
2004-04-01	20.9980101058692
2004-07-01	22.1454702404401
2004-10-01	22.6739553536856
2005-01-01	20.5173429127698
2005-04-01	21.3916492432994
2005-07-01	21.3373497330260
2005-10-01	19.3298597721750
2006-01-01	20.0924367606803
2006-04-01	20.7648324946649
2006-07-01	18.8372788561974
2006-10-01	16.4305919272287
2007-01-01	18.1644063382076
2007-04-01	15.8110788995337
2007-07-01	15.0905602266908
2007-10-01	16.7474916244938
2008-01-01	15.1724585337245
2008-04-01	17.7526251469029
2008-07-01	16.8701237897260
2008-10-01	18.6955131976418
2009-01-01	20.9176094810438
2009-04-01	24.4411798753489
2009-07-01	24.7358666740431
2009-10-01	26.6367363048358
2010-01-01	25.1470916177125
2010-04-01	23.2733512814949
2010-07-01	21.9978992947397
2010-10-01	24.6798704283203
2011-01-01	20.5598749582042
2011-04-01	21.3234333213933
2011-07-01	23.2233608504333
2011-10-01	21.9759685296798
2012-01-01	20.5099622548506
2012-04-01	18.8460869058254
2012-07-01	19.8423652211151
2012-10-01	20.5183899109622
2013-01-01	23.6343765466133
2013-04-01	23.8169754253122
2013-07-01	22.6299585508819
2013-10-01	21.6695562236247
2014-01-01	22.9461425299557
2014-04-01	21.0307190932515
2014-07-01	22.5624522376166
2014-10-01	24.5304949317171
2015-01-01	25.2182878198396
2015-04-01	25.9668655760284
2015-07-01	26.0678175790708
2015-10-01	24.1364064021164
2016-01-01	22.9440735411379
2016-04-01	20.9400988304748
2016-07-01	21.7936073418099
2016-10-01	21.3756170126410
2017-01-01	21.1238533522039
2017-04-01	21.7563039684415
2017-07-01	21.6066140757267
2017-10-01	19.2758988007732
2018-01-01	18.8928582062022
2018-04-01	16.7674091200173