Quarter	Index 2015=100
1998-01-01	38.6
1998-04-01	65.6
1998-07-01	86.8
1998-10-01	69.0
1999-01-01	38.0
1999-04-01	65.0
1999-07-01	75.3
1999-10-01	58.3
2000-01-01	29.0
2000-04-01	46.9
2000-07-01	61.0
2000-10-01	56.8
2001-01-01	28.5
2001-04-01	47.5
2001-07-01	64.8
2001-10-01	66.6
2002-01-01	33.0
2002-04-01	60.6
2002-07-01	75.7
2002-10-01	83.1
2003-01-01	40.8
2003-04-01	79.8
2003-07-01	101.4
2003-10-01	100.5
2004-01-01	49.2
2004-04-01	85.0
2004-07-01	106.1
2004-10-01	104.4
2005-01-01	52.4
2005-04-01	91.4
2005-07-01	117.0
2005-10-01	117.9
2006-01-01	64.2
2006-04-01	109.8
2006-07-01	138.4
2006-10-01	147.7
2007-01-01	93.2
2007-04-01	141.7
2007-07-01	162.5
2007-10-01	165.8
2008-01-01	111.1
2008-04-01	156.1
2008-07-01	169.5
2008-10-01	150.6
2009-01-01	63.9
2009-04-01	81.5
2009-07-01	86.4
2009-10-01	71.7
2010-01-01	36.5
2010-04-01	67.8
2010-07-01	92.3
2010-10-01	84.1
2011-01-01	42.3
2011-04-01	79.1
2011-07-01	109.2
2011-10-01	112.0
2012-01-01	45.7
2012-04-01	79.7
2012-07-01	97.5
2012-10-01	95.3
2013-01-01	43.5
2013-04-01	85.4
2013-07-01	112.4
2013-10-01	112.7
2014-01-01	58.4
2014-04-01	101.2
2014-07-01	126.3
2014-10-01	128.3
2015-01-01	64.3
2015-04-01	108.4
2015-07-01	118.5
2015-10-01	108.8
2016-01-01	52.4
2016-04-01	92.4
2016-07-01	104.5
2016-10-01	113.4
2017-01-01	57.3
2017-04-01	98.5
2017-07-01	115.1
2017-10-01	124.4
2018-01-01	68.3
2018-04-01	115.7