To ask the Scottish Executive how many imaging and radiodiagnostics examinations and tests were carried out in the NHS (a) in total, (b) in imaging departments and (c) in other departments in each year since 1997, broken down into (i) CT, (ii) MRI, (iii) obstetric ultrasound, (iv) non-obstetric ultrasound, (v) radioisotopes, (vi) radiographs with no fluoro...