This is very similar to https://news.ycombinator.com/item?id=46702099 posted 4 days ago.
And there is also this https://dewmal.medium.com/hacker-news-is-a-living-time-capsu...
And there is also this https://dewmal.medium.com/hacker-news-is-a-living-time-capsu...
which also includes the average voting scores, which actually fall at the same time the quantity increases (while the average story scores remain the same), which is interesting.