To ask the Scottish Executive how much income each water authority raised from (a) domestic water and sewerage charges, (b) non-domestic water and sewerage charges, (c) borrowing, (d) government grants and (e) other sources in each year since 1996; what each of these figures represents as a percentage of each water authority's total income in each of these years, and how much income, in cash terms and as a percentage of total income, each authority expects to raise from each of these sources in 2001-02 and any future...