; (iii) the demographics of all aliens housed in solitary confinement, including race, ethnicity, religion, age, and gender; (iv) the policies and regulations of U.S. Immigration and Customs Enforcement facilities, including any updates in policies and regulations, for subsequent reviews or appeals of the placement of a detained alien into or out of solitary confinement; (v) the number of reviews of and challenges to the placement of a detained alien in solitary confinement during the reporting period and the number of reviews or appeals that directly resulted in a change of placement; (vi) a detailed description of the conditions and restrictions for solitary confinement, including the number of hours spent in isolation and the percentage of time these conditions involve 2 aliens celled together in solitary confinement; (vii) the mean and median length of stay in solitary confinement, based on all individuals released from solitary confinement during the reporting period, and any maximum length of stay during the reporting period; (viii) the cost for each form of solitary confinement described in subparagraph (A) in use during the reporting period, including as compared with the average daily cost of housing a detained alien in the general population; (ix) the policies for mental health screening, mental health treatment, and subsequent mental health reviews for all detained aliens, including any update to the policies, and any additional screening, treatment, and monitoring for detained aliens in solitary confinement; (x) a statement of the types of mental health staff that conducted mental health assessments for U.S. Immigration and Customs Enforcement facilities during the reporting period, a description of the different positions in the mental health staff of U.S. Immigration and Customs Enforcement facilities, and the number of part- and full-time psychologists and psychiatrists employed by U.S. Immigration and Customs Enforcement facilities during the reporting period