[Admin]

Note my changes:

$admingroup=$DB_site->query_first('SELECT count(*) AS users FROM user WHERE usergroupid=6');
$vbbadmin=number_format($admingroup['users']);
$supermodgroup=$DB_site->query_first('SELECT count(*) AS users FROM user WHERE usergroupid=5');
$vbbsupermod=number_format($supermodgroup['users']);
$modgroup=$DB_site->query_first('SELECT count(*) AS users FROM  user WHERE usergroupid=7');
$vbbmod=number_format($modgroup['users']);
$membergroup=$DB_site->query_first('SELECT count(*) AS users FROM  user WHERE usergroupid=2');
$vbbmember=number_format($membergroup['users']);

Reason:
We don't want to count the number of usergroups who are admins, but the number of users who are admins.