To ask the Scottish Executive what Scottish Water’s average leakage rates were in (a) 2003-04, (b) 2004-05, (c) 2005-06, (d) 2006-07 and (e) 2008 to date, expressed in units per day. The average leakage rates were as follows: 2002-03 2003-04 2004-05 2005-06 2006-07 ...