How many SA Police Service (SAPS) vehicles have (i) been registered and (ii) had their vehicle licences renewed in each province in each of the past three financial years, (b) how are SAPS vehicles tracked to ensure that their licences are always up-to-date and (c)(i) how many SAPS vehicles have been (aa) registered or had their licences renewed and/or (bb) not renewed subsequently in each province in the specified period and (ii) what are the reasons for this in each case?