(a) How many (i) drug raids in each of the specific sectors that fall under the jurisdiction of the Kempton Park Police Station took place in (aa) 2015 and (bb) from 1 January 2016 up to the latest specified date for which information is available, (ii) arrests were made in each case and (iii) of these arrests ended in a successful conviction and (b) what (i) type and (ii) amount of drugs were confiscated in each case?