Quarter	Index 2010=100
1998-01-01	86.79
1998-04-01	81.30
1998-07-01	84.10
1998-10-01	88.04
1999-01-01	100.16
1999-04-01	92.00
1999-07-01	91.98
1999-10-01	95.23
2000-01-01	88.36
2000-04-01	89.12
2000-07-01	86.02
2000-10-01	85.81
2001-01-01	76.51
2001-04-01	85.00
2001-07-01	76.56
2001-10-01	79.74
2002-01-01	76.47
2002-04-01	77.39
2002-07-01	89.89
2002-10-01	77.33
2003-01-01	65.24
2003-04-01	70.35
2003-07-01	66.57
2003-10-01	67.90
2004-01-01	74.73
2004-04-01	74.90
2004-07-01	71.74
2004-10-01	66.91
2005-01-01	72.70
2005-04-01	64.44
2005-07-01	64.10
2005-10-01	69.69
2006-01-01	69.22
2006-04-01	65.98
2006-07-01	60.48
2006-10-01	64.31
2007-01-01	61.96
2007-04-01	65.41
2007-07-01	66.18
2007-10-01	72.48
2008-01-01	68.85
2008-04-01	74.62
2008-07-01	85.91
2008-10-01	91.81
2009-01-01	90.21
2009-04-01	87.91
2009-07-01	95.74
2009-10-01	92.16
2010-01-01	96.46
2010-04-01	98.98
2010-07-01	100.58
2010-10-01	103.93
2011-01-01	104.46
2011-04-01	115.43
2011-07-01	115.82
2011-10-01	117.22
2012-01-01	122.79
2012-04-01	140.26
2012-07-01	134.62
2012-10-01	134.64
2013-01-01	142.93
2013-04-01	155.01
2013-07-01	156.20
2013-10-01	151.03
2014-01-01	161.15
2014-04-01	173.42
2014-07-01	162.13
2014-10-01	164.02
2015-01-01	169.59
2015-04-01	167.70
2015-07-01	168.60
2015-10-01	171.91
2016-01-01	178.72
2016-04-01	167.38
2016-07-01	170.55
2016-10-01	177.21
2017-01-01	165.27
2017-04-01	162.91
2017-07-01	161.70
2017-10-01	159.71
2018-01-01	160.60
2018-04-01	158.59