When there is no authenticated user or no non authenticated users, the users/count.md does not print the respective count of 0. Instead it does not print anything.

In those case, the file should rather display:

 * Authenticated User Count: 0
 * Non Authenticated User Count: 0

https://github.com/jenkinsci/support-core-plugin/blob/support-core-2.78/src/main/java/com/cloudbees/jenkins/support/impl/UserCount.java#L67-L76