Quarter	Index source base
1999-01-01	79.2946860100000
1999-04-01	80.0331592166667
1999-07-01	79.7051901333333
1999-10-01	80.4338110666666
2000-01-01	80.7797184866667
2000-04-01	80.6970522666667
2000-07-01	80.5416971400000
2000-10-01	81.7194787533333
2001-01-01	83.2353851466667
2001-04-01	83.4281037200000
2001-07-01	83.6068270733333
2001-10-01	84.8084881000000
2002-01-01	85.2859287633333
2002-04-01	86.0357119733333
2002-07-01	87.0004459766666
2002-10-01	87.8508670666667
2003-01-01	88.2309773933333
2003-04-01	88.7225710400000
2003-07-01	89.1074467533333
2003-10-01	90.0851848433334
2004-01-01	90.8922955700000
2004-04-01	91.3884932133333
2004-07-01	91.5719337333333
2004-10-01	92.3955277733333
2005-01-01	92.7395045433333
2005-04-01	93.1413518766666
2005-07-01	93.3312332766666
2005-10-01	94.1660332800000
2006-01-01	94.5612259166667
2006-04-01	94.6860447733333
2006-07-01	94.5773280900000
2006-10-01	96.1242949633333
2007-01-01	96.4784625433334
2007-04-01	96.5109457566667
2007-07-01	96.8026719766667
2007-10-01	97.6376736866666
2008-01-01	98.2708099933333
2008-04-01	98.8124673233334
2008-07-01	98.8766350566667
2008-10-01	99.6976613066667
2009-01-01	99.7912059066666
2009-04-01	99.8667541466667
2009-07-01	99.9631578866666
2009-10-01	100.3788820333330
2010-01-01	100.4423931666670
2010-04-01	100.5818616666670
2010-07-01	100.9176577333330
2010-10-01	101.6148128000000
2011-01-01	101.0389435666670
2011-04-01	100.9023771000000
2011-07-01	100.8634443666670
2011-10-01	100.7474032333330
2012-01-01	100.1354537300000
2012-04-01	99.7858360566667
2012-07-01	99.1414152500000
2012-10-01	98.1551898000000
2013-01-01	97.3409328400000
2013-04-01	96.8328346200000
2013-07-01	96.0424296333333
2013-10-01	95.1995965666667
2014-01-01	94.5459944200000
2014-04-01	94.3622661233334
2014-07-01	93.7935497333334
2014-10-01	93.5110011033333
2015-01-01	93.3294128400000
2015-04-01	92.7950267066666
2015-07-01	92.2376899000000
2015-10-01	92.0884396333333
2016-01-01	91.6740048566667
2016-04-01	91.4946986233333
2016-07-01	91.0344001166667
2016-10-01	90.7510089066666
2017-01-01	90.4888463100000
2017-04-01	90.1063056500000
2017-07-01	89.7955710266667
2017-10-01	89.3645185100000
2018-01-01	89.1682144200000
2018-04-01	89.0963049000000
2018-07-01	88.7813435666666