To ask the Scottish Executive, further to the answer to question S2W-12428 by Rhona Brankin on 24 December 2004, how many dental practices in the Scottish Borders provided NHS treatment in (a) 1999-2000, (b) 2000-01, (c) 2001-02, (d) 2002-03 and (e) 2003-04, expressed also as a percentage of all practices for each year.