Looking for a panel count day and last day

Hello
i have in my Influx DB some Measurments about temperature.
like if >25 add to the database with temperatur and date.
That part works
in Grafana Panel (stats) i would like to count how many entry i have so all in a measurment.
it works not correct
i have 1 entry it show 0 entry - with 0 entry it say no data.
how to make it counting right?
have a nice day
vinc

to have the last date i manage with two panel

but still i got a 0 when a dataset is there!

any way to solve this to get the correct optical feedback?
have a nice day
vinc

any Idea or/and help?