Amnesty International reports that more than 830 enforced disappearances occurred in Chile between the years 1973 - 1977.
Find more information on Chile's enforced disappearances and human rights:
The Chilean National Commission for Truth and Reconciliation released a report in 1991 detailing human rights abuses resulting in deaths and disappearances during the years of military rule. According to the report, 2,296 people were murdered during the 17-year period.
Find this PDF online here.