Since the announcement of the 30 hotspots of gender-based violence (GBV) on 22 September 2020 and the commitment to have dedicated GBV desks at police stations, what (a) number of dedicated GBV desks are operational at police stations as at the latest specified date for which information is available and (b) is the detailed roll-out plan of the GBV desks at police stations (i) within the 30 hotspots and (ii) across the Republic?