How to make a multiple select element export as a single column for each selection option?

Question

This is for the Webforms Project for Drupal 8.

I have a table select element for days of the week. When I export the results I get a cell with "Monday, Tuesday, Friday". I would like the multiple select to a separate column for each day of the week.

Day_Mon | Day_Tues | Day_Wed | Day_Thurs | Day_Fri | Day_Sat | Day_Sun
----------------------------------------------------------------------
   x    |    x     |         |           |    x    |         |