We do not know but he needed at least 77 of the 115 cardinals vote
In the March 2013 conclave, 115 cardinals took part.
11 cardinals from the United States took part in the conclave of March, 2013.
11 American cardinals took part in the March 2013 conclave.
11 U.S. Cardinals took part in the conclave of 2013.
Cardinal Gaudencio Rosales and Cardinal Vidal
11 cardinals from the United States took part in the conclave of March 2013.
Everything that goes on in a conclave is secret so we will never know. However, we do know that he received at least the minimum of 77 votes - 2/3 the number of 115 cardinals who were eligible to vote in the election.
When a Papal Conclave is carried out by the College of Cardianls all cardinals younger then 80 can vote, but there is a limit of 120 cardinals who are able to vote at a time. At the 2013 conclave there were 117 cardianals who could vote. Only cardinals are allowed within the conclave.
Depends on how many people voted for it.
The second link below lists 51 Italian cardinals living in April 2014.
1.9 million people voted