var t=new Object;
      <xsl:for-each select="reports/get_reports_response/report/report">
	  <xsl:for-each select="ports/port">
	      if (t['<xsl:value-of select="text()"/>']) t['<xsl:value-of select="text()"/>']++;
	      else t['<xsl:value-of select="text()"/>']=1;
	  </xsl:for-each>
      </xsl:for-each>