title: Sum/Count of dimension attributes in MDX
body: <p>I have a situation where I have to count all the accounts for which Account Category is municipal. Below is the snapshot that shows the dimension/attributes. Please look into it and advise. I have also tried using count/sum function but it did not help. Please guide me.</p>
  
  <p><a href="http://imgur.com/g04JpGA" rel="nofollow">http://imgur.com/g04JpGA</a></p>