C:\test>218961
The line '10/Dec/2002:18:05:09 -0500 http://www.indystar.com/help/help/available.html' was logged 469.23 minutes ago.
Discarding previous line
The line '10/Dec/2002:18:08:13 -0500 http://www.indystar.com/help/help/available.html' was logged 466.17 minutes ago.
The previous line is within the window. Counting...
The line '10/Dec/2002:18:11:19 -0500 http://www.indystar.com/help/help/available.html' was logged 463.07 minutes ago.
The previous line is within the window. Counting...

These are the referrers counted:
$VAR1 = {
          'http://www.indystar.com/help/help/available.html' => '2'
        };