74.  As indicated in paragraph 249 of the Annual Report 2010, the Ombudsman considers “medium-term deprivation of liberty” to mean instances in which persons are held for no more than 60 days, e.g. in the case of detentions of foreign nationals and military disciplinary arrests for serious midemeanours. In both cases deprivation of liberty is based on administrative procedures. Establishments where persons may be held for no more than 60 days II.1.  Detention centres for foreign nationals 75.  As indicated in the Annual Report 2010, detention centres for foreign nationals (CIEs) are public establishments of a non-penitentiary nature where foreign nationals are held pending expulsion or deportation. Judicial authorisation is required for detention at these centres, and they are monitored by courts. The maximum holding time is 60 days. Data from the Ministry of the Interior reveal that in 2011 8,788 persons were detained while entering Spain illegally in open boats, swimming ashore, hidden in vehicles or other means of transport or crossing borders, as per the table below: Publicly-run establishments of a non-penitentiary nature used to hold foreign nationals pending expulsion or deportation Table 25. Entry of illegal immigrants via non-authorised border crossings in 2010 and 2011 2010 2011 1,567 3,345 196 340 Mainland Spain & Balearics 3,436 5,103 Total 5,199 8,788 Ceuta and Melilla Canary Islands Source: own work based on data from the Ministry of the Interior website. 76.  Information provided by the DGP indicates that in 2011 there were 90,424 detentions entailing confinement in cells for breaches of the Foreign Nationals Act [Ley de extranjería]. THE OMBUDSMAN OF SPAIN  90,424 detentions with confinement in cells for breaches of the Foreign Nationals Act  107