New commenter statistics on questions in the comments report for surveys 2020-02-10

We’ve added stats to every question on the comments report, comparing the favorability of the commenters with the overall participants.

The following stats are now available :

• What % of participants commented on this question? e.g. 10% of participants commented
• How favorable are the commenters on this question? e.g. 75% favorable
• How favorable are the commenters vs the overall participants on this question? e.g. -17 compared to overall