A Freedom of Information Act 2000 request for details, for the years 2018-2022, of the: 1) number of FOI requests received by the Department for Infrastructure; 2) number of requests refused; 3) reasons for refusals & numbers of each; 4) numbers of internal reviews; 5) number of decisions overturned on internal review; & 6) numbers of complaints about DfI's handling of requests made to the Information Commissioner’s Office.