"Figure 8: Working days lost (WDL) by principal cause of dispute, UK, 2006 to 2015","" "","" "","" "Notes","" "Unit","" "","" "","Other","Redundancy","Pay" "2006","35","167","552" "2007","332","25","684" "2008","7","1","750" "2009","30","275","150" "2010","10","312","43" "2011","14","48","1327" "2012","30","50","168" "2013","10","14","419" "2014","24","62","703" "2015","15","34","121"