http://www.transport.gov.ie/Irish+Co...ch+and+Rescue/
This will give you an idea of the Irish coastguard AOR. I would guess there are hardly any UK mil rescues overland in the Irish Republic. Most are in Northern Ireland or, more commonly, Spanish fishermen out to the west where CHC's S61s can't reach.
This link will give you the UK stats for last year.
http://www.dasa.mod.uk/publications/sar/pdfs/sarannual2005.pdf#search='arcc%20kinloss'