Audit data for cubeview last run date

I've been hunting around for information on the last run date for cubeviews, I may not be looking hard enough but I don't think it's stored anywhere outside of taskactivity? If this information is out there somewhere in an easier to grab format please do point me in the right direction, otherwise is my only option to query this information from the TaskActivity DB myself and hope that it hasn't been cleared in the timeframe I'm looking to query?

As a bit of background we have hundreds of cubeviews at this point and I'd like to clear up the estate. Ideally I'd be starting with data on when each cubeview was last run (possibly supplemented with how many times it has been run in the past year), followed by querying with the relevant departments whether the cubeviews are needed  based on this data.