Please ignore the match on the root template I meant to edit it out.

perhaps you should ask the question again with a working stylesheet.
If by the above you mean ignore

   <xsl:template match="/">
      <xsl:value-of select="sum(key('counts',max($all))/count(@*))"/>
   </xsl:template>

--
google plus: https:/profiles.google.com/d.p.carlisle