2 March 2018 - Democratic Republic of the Congo 19 February 2018 - Mozambique 12 January 2018 - United Republic of Tanzania Previous years 11 December 2017 - Kenya 11 December 2017 - Zambia 21 July 2017 - Kenya 22 April 2016 - United Republic of Tanzania 15 December 2015 - Democratic Republic of the Congo 26 November 2015 - United Republic of Tanzania 21 October 2015 - United Republic of Tanzania 11 September 2015 - United Republic of Tanzania 30 May 2014 - South Sudan