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

Montenegro, 'ODIHR Election Observation Mission Final Report', Presidential Election 15 April 2018, Announcement of Results, accessed 7 August 2019

" On 17 April, the SEC announced the preliminary results and published them on its website per municipality and per polling station.74 Mr. Đukanović won the election in the first round with 53.9 per cent (180,274 votes). The candidate of DPS led in 20 out of 23 municipalities. The voting turnout was 63.9 per cent – the same as in the 2013 presidential election."