This is tough one. There's so many ways to go wrong but only one way to answer this correctly. That answer is to ask, "Well, why do you care?" Why do you care indeed when there are issues of global climate change, malaria, poverty, starvation in the world? Let's not spend the next 5 seconds talking about my GPA when you can use those 5 seconds to start an email that says "Dear W.H.O," and eventually ends in "This is how I plan to end malaria".