The index measures the monthly evolution of the volume of industrial production (excluding construction). With effect from January 2018 the indices are calculated with reference to the base year 2015 using the Ateco 2007 classification (Italian edition of Nace Rev. 2).
In March 2020 the seasonally adjusted industrial production index decreased by 28.4% compared with the previous month. The change in the first quarter of this year with respect to the previous one was -8.4%.
The calendar adjusted industrial production index decreased by 29.3% compared with March 2019 (calendar working days being 22 versus 21 days in March 2019).
The unadjusted industrial production index decreased by 27.1% compared with March 2019.
The pandemic emergency impacted on the data collection of the survey and a moderate loss in the responses rate was registered. Strategies implemented to deal with the missing responses allowed to calculate and release accurate indices for March 2020 (for further details see Methodological note, page 9).
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