Where to find inflation rate, or cost of living historical comparisons for Thailand (or parts of Thailand)?

Hi all. I’m looking to find how average prices have increased in Thailand since the year 2020, e.g. Inflation rate, and/or cost of living comparisons would be great. Does anyone know if those are recorded, and posted anywhere?

Ideally I’d prefer figures for just the island of Koh Samui. But I’d be happy with other areas, or the country as a whole.

Thanks in advance.

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