How to trigger the "deployment frequency" feature under CI/CD analytics? (DORA)

Hello, I have tried triggering the deployment frequency feature under Project>Analytics>CI/CD as per the Gitlab docs to the .gitlab-ci.yml file:

stage: stage-1
name: staging
url: http://localhost/ui
deployment_tier: stage-1

However, it turns out that there is no change in the graphs, as seen below:

I see that there is a way to trigger the metrics and get them on the CLI:

Long story short, How to trigger the graphs for the following?

Really appreciate your help in this. Thank you

Following are the useful links: