Since liberation in 1991, 13 new hospitals, 19 new health centres and 112 new health stations have been constructed, which made an increase of 56 percent, 61 percent and 156 percent respectively over the number of health facilities that existed before the liberation. Among the hospitals, a national referral and training hospital, the Orotta Surgical Medical National Referral Hospital and four new Zonal Referral Hospitals namely Barentu, Mendefera, Ghindae and Assab Zonal Referral Hospitals were constructed at a cost of around half a Billion Nakfa (equivalent to around 33 Million USD).