Johnson was nominated for the vice presidency after he narrowly won more than two-thirds of the total delegates' votes.
A candidate needs to win a simple majority of total delegates to earn the Democratic nomination.
DEA had about one hundred delegates elected (an unexpected 3,5% of the 3,200 total delegates).
Romney's win in Nevada extended the lead that he then held in total delegates.
Where total delegates in a state do not add to 100 percent, the preference of one or more delegates has not been determined.
The winner in each of Maine's two congressional districts received all of that district's total delegates, which totaled 16.
After the votes were counted on March 14, 1,301 of the 2,066 total delegates had been decided.
The Ohio Democratic Party sent 161 total delegates to the National Convention.
The sample was drawn from the list of 2,277 total delegates to the Republican convention.
A win in Nevada extended Romney's lead in total delegates.