Welcome to the community @mpvsdigitalform! Kindly please be informed that the feature you are requesting is apparently not available in KoBoToolbox. Though there is already a feature request related to the same:
Maybe you could VOTE to make this a reality in the upcoming days.
As a workaround you could however do the same using python code as discussed in the earlier post:
If you are still not conformable, you could analyze your data through the xlsanalyzer as outlined in the post discussed previously: