maybe skip "average number of edits per contributor" for 2006/2007

[matkoniecz]

https://piebro.github.io/openstreetmap-statistics/#a3ed graph focuses on massive outlier in 2006/2007

[piebro]

That's true, but I think it's the spikes also shows quite well that there were many data imports at the beginning of OSM which I think is nice and it's always possible to select a certain time range by dragging the mouse in the plot and remove the outlier.