I have a list of choices in a radio list on my form.The user can choose any of these choices and submit the form.

Sometimes the user might want to input a value that isn't in the radio list. I can't know what these values are now, so basically I need a "other" field, where a user can write a value in a text field. 

In the views, I want to be able to count the number of times each radio value has been chosen and also the number of times users have given a specific "other" value. 

I guess it's like any multiple choice list with a possibility to choose "other" and add your own choice. 

I don't know if I should merge these fields (and how) or if it can be done on the view/report level. 

Thanks!