สอบถามปัญหา ให้ข้อมูลโชว์เฉพาะ ที่มีตัวเลขในช่องลำดับเท่านั้นค่ะ

<? $objConnect = mysql_connect("localhost","root","root") or die("Error Connect to Database");
	    $objDB = mysql_select_db("adc");
		mysql_query("SET NAMES UTF8");
		$strSQL = "SELECT * FROM jobs order  by date Desc";
		$objQuery = mysql_query($strSQL) or die ("Error Query [".$strSQL."]");
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td width="96%" height="26" background="images/civicmedia-bg-product2.jpg"><strong><span class="style3">ตำแหน่งงานว่าง </span><span class="style4">(Job Available)</span></strong></td>
  </tr>
  <tr>
    <td align="center"><table width="100%" border="0" cellspacing="1" cellpadding="0">
      <tr bordercolor="#000000">
        <th width="5%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style13 style14">ลำดับ</div></th>
        <th height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">ตำแหน่ง </div></th>
        <th width="15%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">ระดับการศึกษา</div></th>
        <th width="7%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">จำนวน </div></th>
        <th width="14%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">ประสบการณ์ </div></th>
        <th width="14%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">เงินเดือน </div></th>
        <th width="15%" height="22" bordercolor="#000000" bgcolor="#999999" class="style9"> <div align="center" class="style15">สถานที่ </div></th>
      </tr>
      <?
while($objResult = mysql_fetch_array($objQuery))
{
?>
      <tr>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["num"];?></td>
        <td width="30%" height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["jobs1"];?></td>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["education_level"];?></td>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["jobs3"];?></td>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["jobs8"];?></td>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["jobs7"];?></td>
        <td height="20" valign="middle" bgcolor="#CCCCCC" class="style9"><?=$objResult["jobs6"];?></td>
      </tr>
	  <?
}
?>
</table></td></tr></table><?
mysql_close($objConnect);
?>