Quarter	Index source base
1998-01-01	67.5116791233333
1998-04-01	67.7573255166667
1998-07-01	67.9882854900000
1998-10-01	68.1056982433333
1999-01-01	68.5940296800000
1999-04-01	68.8596417466667
1999-07-01	69.1265244200000
1999-10-01	69.1348641033333
2000-01-01	69.9185811266667
2000-04-01	70.1181646866666
2000-07-01	70.6022112400000
2000-10-01	70.9382251800000
2001-01-01	71.4610048633333
2001-04-01	71.9390846333334
2001-07-01	72.4413532266666
2001-10-01	72.8458069266666
2002-01-01	73.8174936166667
2002-04-01	74.1867664600000
2002-07-01	74.3714080266667
2002-10-01	74.5569252700000
2003-01-01	75.7529713966667
2003-04-01	76.0219680933333
2003-07-01	76.3946821666666
2003-10-01	76.5363337700000
2004-01-01	77.6471018966667
2004-04-01	78.0282965166667
2004-07-01	78.3695900700000
2004-10-01	78.4493679566666
2005-01-01	79.0986848633334
2005-04-01	79.5917783133333
2005-07-01	79.9649580666667
2005-10-01	80.3177803566667
2006-01-01	81.0828718333333
2006-04-01	81.4923785966666
2006-07-01	82.1231787433334
2006-10-01	82.4811012900000
2007-01-01	83.8347686800000
2007-04-01	84.8112489000000
2007-07-01	85.0859611133333
2007-10-01	85.2286014233333
2008-01-01	85.9414145333333
2008-04-01	86.5768307466667
2008-07-01	87.4731118100000
2008-10-01	87.9353219366667
2009-01-01	88.8394674566667
2009-04-01	89.4387602766667
2009-07-01	89.6627770166667
2009-10-01	89.7165137466666
2010-01-01	89.9526975866667
2010-04-01	90.4679255800000
2010-07-01	91.0669301633334
2010-10-01	91.5470470166667
2011-01-01	92.7752824700000
2011-04-01	93.3342122600000
2011-07-01	93.7601844466667
2011-10-01	94.4874655033333
2012-01-01	96.8691169733333
2012-04-01	97.3257442900000
2012-07-01	97.8965375766666
2012-10-01	98.3914822433334
2013-01-01	99.2459676133333
2013-04-01	99.9175007166667
2013-07-01	100.3742295333330
2013-10-01	100.4623021333330
2014-01-01	101.3909992000000
2014-04-01	101.6139993000000
2014-07-01	101.9708112333330
2014-10-01	101.9324236333330
2015-01-01	102.5387904000000
2015-04-01	102.8595350333330
2015-07-01	103.2617965333330
2015-10-01	103.3787334333330
2016-01-01	104.0762698666670
2016-04-01	104.0896244000000
2016-07-01	104.5875155000000
2016-10-01	104.5796107000000
2017-01-01	105.4947432333330
2017-04-01	105.6675599333330
2017-07-01	106.2700000000000
2017-10-01	106.2300000000000
2018-01-01	107.1866666666670
2018-04-01	107.2933333333330
2018-07-01	107.7066666666670