I agree that the time-based view will be important, as the answers do change over time. One way to approach is to show votes in last 12 months, instead of all

I agree that the time-based view will be important, as the answers do change over time. One way to approach is to show votes in last 12 months, instead of all votes ever. Side benefit of this is that it encourages users to stay active and engaged with the site (to maintain and update their views as they evolve).