The size of the outer circle corresponds to the total number of users who know about a feature, while the inner one represents those who have actually used it.
Hover on each node to view detailed data along with an overlay representing the total number of survey respondents.
Usage by Years Of Experience
The “overall” column shows overall usage for each feature (respondents who selected “have used it”), while the following columns show the usage ratio for each “years of experience” bracket.
A brighter pink background indicates a higher-than-overall-average ratio for a given bracket.