At the beginning of March 2022 I tried to update the database for my article I wrote back in August 2020 on historical price increases.
Beginning March 2022 the values look like this:
I trimmed the data points more towards 10 yrs.
Overall price increase looks much higher now (3.93% vs. 2.29% in Aug 2020), with most of the increases coming from 2022.
This is for example how the data for Rapeseed cooking oil looks like:
Notable as with most other products is the decrease in price from 2014-2018 and sharp increase in 2022.
After I updated by database Aldi (Germany's disounter with the biggest pricing power and pricing leader) that the will increase the prices of over 400 products (so basically everything they sell).
Looks like I will have to do a follow-up rather soon.