(a) What number of vacant positions did the Media Development and Diversity Agency advertise (i) in each of the past five financial years and (ii) since 1 April 2017, (b) what number of the specified vacancies were not filled in each case, (c) what amount was spent on advertising the vacancies that were not filled in each case, (d) what number of applications were received in response to the advertisements for the vacancies that were not filled and (e) why were the specified vacancies not filled?