Domestic Violence Statistics During the Troubles

Request 1
Statistical information on the number of domestic violence / abuse reports made to the Police or any government bodies in Northern Ireland from 1968-1998 inclusive.

Request 2
Any Northern Ireland Police reports and Chief Constable’s annual reports where domestic violence / abuse rates are detailed between the years 1968-1998 inclusive.
If either of these is unsuccessful, please state whether domestic violence / abuse as terms are not mentioned at all in the reports.
It would be greatly appreciated if you would be able to break down this information year by year.