Banu aligned star systems account for 7% of the known Star Citizen Universe. Which means that they govern 6 of the 90 known systems. That’s small compared to the UEE’s 42%.
Star Citizen Lore
Beyond moderate injury or to be returned to a normal 100% health state, a player must undergo more intense treatments, such as those provided by Medbays and Medstations. This is where Search and Rescue (SAR) comes into play. Given that Star Citizen has a permadeath mechanic, I expect SAR services to be in high demand.