Count separate words from a column

So I'm new in this and probably its a "noob" doubt, but anyway...

I have received this googlesheets db that comes from a googleforms, and it has a column where people voted for their availabe weekdays for an event. I need to create a chart showing how many people voted for each day but I'm only getting the count based on the whole answer, not individual options.

Some people chose only 1 option, but many chose multiple.

So the column has answers separated by commas, like:

(I made this example up, the list is huge and not in english)

And I need a graph for the whole thing like this:

And since I'm here, maybe you cant help me with another part of the presentation that will be based on individual answer, like this: