100-13=87 of those that voted, which is 1725. I'll warrent a number didn't vote because the question is badly worded. Change the wording and see the tally. 
Stating the obvious but overlooked:
100-13=87
100-13=87 of those that voted, which is 1725. I'll warrent a number didn't vote because the question is badly worded. Change the wording and see the tally.