(1) How many inquest dockets have been opened in each of the past three financial years; (2) (a) what is the average length of time taken for police to determine whether or not a death was as a result of a criminal act and (b) how many deaths (i) in the 2009-10 financial year and (ii) during the period 1 April 2010 up to the latest specified date for which information is available are awaiting determination of whether or not they are murder?