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

Radio Free Asia: Laotians Apathetic About Voting in General Elections in the One-Party State, 2016-03-24, accessed 2 November 2018

“The results of the elections could take about 10 days to tally, as they did five years ago after the last general elections, said Koukeo Akkhamonti, chairman of parliament’s Foreign Affairs Committee and spokesman of National Election Committee.”