Quarter	Index 2015=100, Seasonally Adjusted
1998-01-01	65.3
1998-04-01	64.8
1998-07-01	66.5
1998-10-01	62.4
1999-01-01	63.7
1999-04-01	62.8
1999-07-01	57.4
1999-10-01	51.9
2000-01-01	49.0
2000-04-01	47.0
2000-07-01	48.3
2000-10-01	49.2
2001-01-01	48.3
2001-04-01	49.2
2001-07-01	53.4
2001-10-01	56.4
2002-01-01	56.6
2002-04-01	62.0
2002-07-01	62.7
2002-10-01	71.0
2003-01-01	72.3
2003-04-01	81.2
2003-07-01	83.4
2003-10-01	85.3
2004-01-01	84.9
2004-04-01	85.0
2004-07-01	85.3
2004-10-01	88.6
2005-01-01	90.2
2005-04-01	92.5
2005-07-01	95.1
2005-10-01	100.6
2006-01-01	105.9
2006-04-01	110.5
2006-07-01	118.3
2006-10-01	126.2
2007-01-01	140.5
2007-04-01	138.4
2007-07-01	140.2
2007-10-01	144.4
2008-01-01	161.7
2008-04-01	150.5
2008-07-01	142.3
2008-10-01	131.5
2009-01-01	101.9
2009-04-01	74.4
2009-07-01	66.3
2009-10-01	60.7
2010-01-01	64.4
2010-04-01	68.4
2010-07-01	74.1
2010-10-01	72.6
2011-01-01	79.2
2011-04-01	83.2
2011-07-01	88.9
2011-10-01	91.0
2012-01-01	83.3
2012-04-01	78.9
2012-07-01	77.7
2012-10-01	78.5
2013-01-01	79.4
2013-04-01	88.2
2013-07-01	92.8
2013-10-01	94.4
2014-01-01	101.9
2014-04-01	101.6
2014-07-01	104.9
2014-10-01	106.1
2015-01-01	106.3
2015-04-01	104.0
2015-07-01	98.5
2015-10-01	91.2
2016-01-01	86.9
2016-04-01	89.9
2016-07-01	89.8
2016-10-01	95.3
2017-01-01	97.5
2017-04-01	97.4
2017-07-01	99.1
2017-10-01	102.2
2018-01-01	114.4
2018-04-01	114.5