Merge branch 'amandarueda-master-patch-40574' into 'master'

Added user statistics section

See merge request gitlab-org/gitlab!29266

doc/subscriptions/index.md

@@ -75,6 +75,10 @@ count as active users in the subscription period in which they were originally a
 - Members with Guest permissions on an Ultimate subscription.
 - GitLab-created service accounts: `Ghost User` and `Support Bot`.
 
+##### User Statistics
+
+A breakdown of the users within your instance including active, billable and blocked can be found by navigating to **Admin Area > Overview > Dashboard** and selecting `Users Statistics` button within the `Users` widget..
+
 NOTE: **Note:**
 If you have LDAP integration enabled, anyone in the configured domain can sign up for a GitLab account. This can result in an unexpected bill at time of renewal. Consider [disabling new signups](../user/admin_area/settings/sign_up_restrictions.md) and managing new users manually instead.