Methodology and usage - IOP

Date published: 11 December 2018

Statistics:

The NI Index of Production is designed and maintained to meet the requirements of a wide variety of users. A summary of these uses can be accessed by clicking on the document below. Methodological notes are also provided.

Documents

IOP Background Information
PDF (204 KB)
Methodology for the NI Index of Production (IOP)
PDF (527 KB)
Changes to NI IOP estimates as a result of moving to X-13 ARIMA SEATS for seasonal adjustment affecting Q2 2014
PDF (362 KB)
Changes to Regional GVA estimates affecting Q3 2013 IOP index onwards, including back series
PDF (363 KB)
Summary of usage for NI Index of Production
PDF (599 KB)

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