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Dewis pwnc arall neu clirio pob hidlydd.
Rhyddhawyd ar: 22 October 2025 | Erthygl
Description of the methodology error we identified in our Producer Price Indices (PPI) and Services Producer Price Indices (SPPI) in February 2025 and the corrections that we have applied, including how these corrections have affected previously published data and the narrative expressed in the PPI and SPPI data since 2014.
Rhyddhawyd ar: 21 October 2020 | Cyfres amser
