Methodology and usage - IOP
The NI Index of Production is designed and maintained to meet the requirements of a wide variety of users.
Date published:
Statistics: Business, economy and trade, IOP supplementary information
A summary of these uses can be accessed by clicking on the document below. Methodological notes are also provided.
Documents
- IOP Background Information
- Methodology for the NI Index of Production (IOP)
- Changes to NI IOP estimates as a result of moving to X-13 ARIMA SEATS for seasonal adjustment affecting Q2 2014
- Changes to Regional GVA estimates affecting Q3 2013 IOP index onwards, including back series
- Summary of usage for NI Index of Production