Information on the length of service of armed forces personnel from 2006-07 onwards is currently unavailable since the introduction of the joint personnel administration system.The following table provides the average length of service (in years) of personnel who voluntary outflowed from the trained UK Regular Forces in the financial year 2005-06.<Table width="100%" summary="" cellspacing="3" cellpadding="3" border="0"><TR><TD>Years</TD></TR><TR><TD>Service</TD><TD>Officers</TD><TD>Other ranks</TD></TR><TR><TD>All Services</TD><TD>15.0</TD><TD>9.4</TD></TR><TR><TD>Navy</TD><TD>16.1</TD><TD>10.1</TD></TR><TR><TD>Army</TD><TD>13.2</TD><TD>7.9</TD></TR><TR><TD>RAF</TD><TD>18.5</TD><TD>12.6</TD></TR></Table>UK Regular Forces excludes Gurkhas, full-time reserve personnel and mobilised reservists.