Index of Services (IOS) Statistical Bulletin and Tables - Quarter 4 2018 Latest Results - Quarter 4 (October-December) 2018 Date published: 21 March 2019 Statistics: Index of Services Tables are available in XLSX and ODS. Documents IOS Q4 2018 Bulletin Adobe PDF (54 KB) IOS Q4 2018 Tables Microsoft Excel (54 KB) IOS Q4 2018 Tables OpenDocument spreadsheet (54 KB) Help viewing documents