Subtract "He may be right but there's no way to know," and what's the total?
Around 49%.
Because that seems like a pretty reasonable position. How much can you really know about God?
Well, Sharon was very overweight and was generally already in poor health. It seems to me that it's extremely easy to explain this without saying that "God punished him". That answer is the least extreme of those giving Robertson's position consideration, to be sure.
Still, nearly half of the voters agreed with Robertson, even without that option.