Have analytics show all recorded webinar/GoToStage events (even if event is over 2 yrs old)

We have some excellent events recorded over 2 years ago. They still produce registrations on our newly activated GoToStage, but it is a challenge to get any analytics on them as they are over the analytics recording period. Is there a way to change the analytics request to show 'registrations in the past 2 years' instead of 'events in the past 2 years'? The registration could be from yesterday, but it is not easily accessible and information is very limited if the event/ recording occurred over 2 years ago.