<p>Cost information is available for all years but it is not possible to establish the number of overseas trips for every year since 2010. The following table shows the data centrally held:</p><p><table><thead><tr><td valign="top" /><td valign="top">2010-11<br /></td><td valign="top">2011-12<br /></td><td valign="top">2012-13<br /></td><td valign="top">2013-141<br /></td></tr></thead><tbody><tr><td valign="top">Numberoftrips<br /></td><td valign="top">n/a<br /></td><td valign="top">n/a<br /></td><td valign="top">675<br /></td><td valign="top">492<br /></td></tr><tr><td valign="top">Cost(£000)<br /></td><td valign="top" /><td valign="top" /><td valign="top" /><td valign="top" /></tr><tr><td valign="top">(a)Flights<br /></td><td valign="top">696<br /></td><td valign="top">644<br /></td><td valign="top">493<br /></td><td valign="top">262<br /></td></tr><tr><td valign="top">(b)Internaltravel<br /></td><td valign="top">122<br /></td><td valign="top">124<br /></td><td valign="top">224<br /></td><td valign="top">42<br /></td></tr><tr><td valign="top">(c)Hotel accommodation and (d)subsistence<br /></td><td valign="top">35<br /></td><td valign="top">30<br /></td><td valign="top">344<br /></td><td valign="top">107<br /></td></tr><tr><td valign="top">Total<br /></td><td valign="top">853<br /></td><td valign="top">798<br /></td><td valign="top">1,061<br /></td><td valign="top">411<br /></td></tr></tbody><tfoot><tr><td valign="top">1Six months<br /></td></tr></tfoot></table></p>