How to add numbers to legend

[#1]

I have the attached graph done.

Dimensions are:  Locations and [Overall Experience]

Expression:   if( [Overall Experience] = 'Dissatisfied' or [Overall Experience] = 'Extremely Dissatisfied',sum(Count)/sum(total <Locations> Count),0)

now i want to show in the legend how many surveys done at each location so that when i put the graph in a report. The person reading it will know how many surveys are done at each location

Thanks anyone for the help