Methodological notice - change of base year Date published: 14 January 2021 Statistics: Business, economy and trade, Economic Output, Construction output statistics Northern Ireland construction output statistics Methodological notice Documents Change of base year Q3-2021 Adobe PDF (175 KB) Change of base year Q3-2020 Adobe PDF (123 KB) Change of base year Q2-2018 Adobe PDF (42 KB) Change of base year Q2-2016 Adobe PDF (50 KB) Help viewing documents
