"Figure 1: Using the “cohort split” approach smooths the attainment data ","" "Comparing the attainment data series using different “cohort split” approaches, England, academic years ending 1995/96 to 2017/18","" "","" "Notes","" "Unit","Index, FY 1995/6 = 100" "","" "","No cohort split","Current cohort split","Proposed cohort split" "1995/6","100","100","100" "1996/7","101.5","102.4","102.5" "1997/8","104.9","105.3","105.4" "1998/9","108.4","107.7","108.1" "1999/0","110.8","109.6","110.6" "2000/1","111.9","111.7","113" "2001/2","114.5","114.3","115.9" "2002/3","116.9","117.2","118.9" "2003/4","118.3","120.8","122.2" "2004/5","123.3","125.5","126.4" "2005/6","127.2","130.6","130.5" "2006/7","132.2","136.1","135.2" "2007/8","137.2","141.7","140.1" "2008/9","143.6","147.3","144.7" "2009/10","153.2","151.5","148.7" "2010/11","158.3","152.8","150.1" "2011/12","157.9","152.6","149.9" "2012/13","157.9","152.6","149.8" "2013/14","157.9","152.5","149.7" "2014/15","156.2","152.6","149.7" "2015/16","157.6","153.6","150.7" "2016/17","159.3","154.3","151.4" "2017/18","159.6","154.5","151.6"