According to the results, Mitt Romney and Rick Santorum gained the highest percentage of votes at 25% each. The two candidates were only separated by 8 votes (Romney was the winner). Ron Paul also had a good showing gaining 21% of the vote, however he gained zero delegate votes.
Click Here to see the map provided by Google.
Also, if you are a bit unfamiliar with the process of a caucus take a look at this Huffington Post article that describes how the caucus works.