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 December 2021 the seasonally adjusted industrial production index decreased by 1.0% compared with the previous month. The change of the average of the last three months with respect to the previous three months was +0.5%.
The calendar adjusted industrial production index increased by 4.4% compared with December 2020 (calendar working days being 22 versus 21 days in December 2020).
The unadjusted industrial production index increased by 7.7% compared with December 2020.
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