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

Presidential and National Assembly Elections 27 and 28 November 2009, EISA Technical Assessment Team Report, 42.

The election results were finalised and released on 5 December 2009. http://aceproject.org/ero-en/regions/africa/NA/Namibia-Presidential-and-National-Assembly/at_download/file

During the Presidential (2009) and Legislative (2009) elections final results were established within 7 days.