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