title: To sum data for until a certain date
body: <pre><code>            01-Mar     02-Mar   03-Mar
  Actual        1          1        1
  Allocation    3          0        2
  Variance      2         -1        1
  </code></pre>
  
  <p>Assume the date today is 3rd March          </p>
  
  <p>How to sum the value of Actual until 2nd March only         </p>