Just for clarity I'll mention that the Sweden figure has been amended. Deaths were higher than that "bottom of the excess deaths league" table in the first tweet implied. It's Scandinavian neighbours did do better.
With the updated/corrected data the chat looks like this:
Explanation of the problem in the first dataset is in the tweet thread.
With the updated/corrected data the chat looks like this:
Explanation of the problem in the first dataset is in the tweet thread.