Index of Services (IOS) Statistical Bulletin and Tables - Quarter 4 2015 Topics: Statistics and economic research, Index of Services Date published: 16 March 2016 Latest Results - Quarter 4 (Oct-Dec) 2015 Documents Northern Ireland Index of Services - Q4 2015 published March 2016Adobe PDF (1.09 MB)IOS Q4 2015 tablesMicrosoft Excel (492.65 KB)