questionText: To ask the Secretary of State for Defence, how many and what proportion of his Department's answers to written parliamentary questions have referred to the information requested not being (a) collected or (b) held centrally in each year since 2019.
answerText: While the information has not been recorded separately, answers to written parliamentary questions are published by Parliament on their website which has a search facility:https://questions-statements.parliament.uk/ 
heading: Ministry of Defence: Written Questions