Why Metabase adds leading 0's to values in chart?

I'm playing around with Metabase and cannot get some basic charts to work properly.

My chart looks like this:

But in table the data looks ok:

What could be the issue why the charts add this leading 0 and it doesn't scale properly?

Hi @villlem
Because the columns are strings instead of numeric. Metabase currently does not have a way to cast all types.
Post "Diagnostic Info" from Admin > Troubleshooting.