(1)What is the total number of (a) A class reservists and (b) D class reservists who were in service on (i) 31 May 2012 and (ii) 31 May 2018;
(2) of the reservists who left, what is the total number who had to leave because they were not able to do firearm competency tests;
(3) what is the total number of the D class reservists who have been converted to A class between 31 May 2012 and 31 May 2018?