Northern Ireland Index of Services

The experimental Index of Services (IOS) was first published in Northern Ireland on 18 May 2005. Following assessment by the UK Statistics Authority the Index of Services was designated as a National Statistic on 5 August 2011. It is published quarterly and is designed to provide a general measure of changes in the output of the private sector service industries in Northern Ireland (this is defined as Standard Industrial Classification 2007 (SIC07) sections G to S). Based on employee jobs, in 2015 these private sector service industries accounted for 61% of all service sector Regional Gross Value Added (GVA). Figures are available in the current format back to 2005. Variables included in data are Index of Services Wholesale, retail, repair, accommodation & food services; Transport, storage, information and communication; Business services and finance; Other services

https://www.nisra.gov.uk/statistics/economic-output-statistics/index-services