To ask the Scottish Executive, further to the answer to question S2W-32523 by Cathy Jamieson on 26 March 2007, how many individuals were charged with posession of (a) heroin, (b) cocaine, (c) crack cocaine, (d) ecstacy and (e) cannabis in the Lothian and Borders police board area in 2006-07, showing the percentage change from 2005-06 figures.