I have updated this site WP-Polls to 2.11 RC1 to test out the multiple answers voting feature in WP-Polls 2.20. You can set the maximum number of answers that the user can vote, in this case, I set it to 14 as there are 14 answers.
Note the poll footer that says “Total Voters” and NOT “Total Votes”. The individual answer on the other hand is “Votes” and not “Voters” and the percentage is calculated based on the “Total Voters”.
Vote away on the right hand sidebar.