#if (!$userChecker.unlimitedUserLicense)
                    ($userChecker.getNumberOfRegisteredUsers() signed up currently)<br/>

uses the getNumberOfRegisteredUsers

public int getNumberOfRegisteredUsers()
    {
        return getNumberOfRegisteredUsers(RETRIES);
    }

    public int getNumberOfRegisteredUsers(int retries)
    {
        if (isUnlimitedUserLicense())
            return UNLIMITED_USERS;

        if (getCacheManager() == null)
            PagerUtils.toList(getUserAccessor().getUsersWithConfluenceAccess()).size();

        if (retries == 0) // obviously, the calculation is taking a while, return -1 for now
            return -1;

        Integer cachedResult = null;
        try
        {
            cachedResult = (Integer) getCache().get(NUMBER_OF_REGISTERED_USERS);
        }
        catch (Exception e)
        {
            log.error("Error result from cache.", e);
        }

        if (cachedResult == null)
        {
            determineRegisteredUsersInBackgroundThread();

            try
            {
                Thread.sleep(500); // stagger the retry a little, to give the calculation a chance to complete for small user sets
            }
            catch (InterruptedException e)
            {
                e.printStackTrace();
            }

            return getNumberOfRegisteredUsers(--retries);
        }
        else
        {
            return cachedResult.intValue();
        }
    }