In the last national election, how many days did it take for the EMB to establish final results?

Vanuatu, 'Report of the Commonwealth Observer Group', General Elections 22 January 2016, Chapter 5: Voting, Counting and Results,  accessed 17 April 2019

Assessment of the Closing, Counting and Transmission

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Immediately after declaring the count complete, the presiding officer shall complete the official report, stating the number of registered voters, the number of voters who voted, the number of void ballot papers and the number of valid votes cast for each candidate.