Quarter	Index 2010=100
1998-01-01	73.98
1998-04-01	67.81
1998-07-01	58.93
1998-10-01	53.81
1999-01-01	56.75
1999-04-01	63.44
1999-07-01	68.56
1999-10-01	72.17
2000-01-01	74.43
2000-04-01	75.56
2000-07-01	73.45
2000-10-01	71.42
2001-01-01	68.56
2001-04-01	67.96
2001-07-01	65.93
2001-10-01	63.07
2002-01-01	62.31
2002-04-01	61.86
2002-07-01	62.16
2002-10-01	61.94
2003-01-01	61.41
2003-04-01	61.03
2003-07-01	60.73
2003-10-01	60.66
2004-01-01	60.43
2004-04-01	60.51
2004-07-01	60.73
2004-10-01	61.19
2005-01-01	61.64
2005-04-01	61.94
2005-07-01	62.69
2005-10-01	63.59
2006-01-01	64.57
2006-04-01	65.70
2006-07-01	67.43
2006-10-01	70.07
2007-01-01	73.45
2007-04-01	79.47
2007-07-01	86.10
2007-10-01	91.89
2008-01-01	95.35
2008-04-01	95.50
2008-07-01	93.25
2008-10-01	87.60
2009-01-01	75.26
2009-04-01	71.72
2009-07-01	83.01
2009-10-01	89.11
2010-01-01	94.15
2010-04-01	99.12
2010-07-01	101.98
2010-10-01	104.76
2011-01-01	107.09
2011-04-01	109.20
2011-07-01	110.63
2011-10-01	110.93
2012-01-01	110.78
2012-04-01	111.31
2012-07-01	111.98
2012-10-01	114.02
2013-01-01	114.69
2013-04-01	115.90
2013-07-01	116.35
2013-10-01	115.30
2014-01-01	113.87
2014-04-01	112.66
2014-07-01	111.83
2014-10-01	110.63
2015-01-01	109.50
2015-04-01	108.52
2015-07-01	107.09
2015-10-01	106.57
2016-01-01	105.81
2016-04-01	105.36
2016-07-01	103.78
2016-10-01	103.25
2017-01-01	102.88
2017-04-01	102.80
2017-07-01	103.56
2017-10-01	104.38
2018-01-01	108.45
2018-04-01	112.14