title: Show unique items with count of duplicate occurrences in ng-repeat
body: <p>I have a below JSON:</p>
  
  <pre><code>[{"brand":"abc"},{"brand":"xyz"},{"brand":"abc"},{"brand":"abc"},{"brand":"por"},{"brand":"xyz"}]
  </code></pre>
  
  <p>Using <code>ng-repeat</code>, How can I display like -</p>
  
  <pre><code>Brand Occurances
  abc      (3)
  xyz      (2)
  por      (1)
  </code></pre>
  
  <p>i.e. brand name (number of duplicate occurrences of same brand name)?</p>