Count syslog entries per 1h

[tasiotas]

using Grafana 9.2

I want to plot log count per 1h. This sounds really simple, but instead, I am getting count of unique labels.

This is my query:

Or this one, which is plotting per unique label:

I want to count all entried from service==syslog per 1h.
Thank you

[tasiotas]

Here is my data: