[holding answer 10 September 2008]: I have been asked to reply.
The table below provides the details of the information requested where it is available. In answer to part (b) all calls received by the Child Benefit Helpline receive an automated message of some kind. It is not possible to calculate the relative proportions of the different groups with the information available.
Child Benefit 2003-04 2004-05 2005-06 2006-07 2007-08 (b) Calls received1 n/a 5,041,079 3,687,025 4,026,335 4,806,978 (a) Calls Handled2 n/a 3,360,272 3,091,750 3,483,386 4,336,202 (c) n/a n/a n/a n/a n/a (d) n/a n/a n/a n/a n/a 1 Calls received: where the caller selected an option from the call steering menu and was put in a queue to speak to an adviser. 2 Calls handled: where the caller spoke to an adviser.