๊ช่วยหน่อยคะ !!!!! Upload text file เข้า MySQL แล้วข้อมูลเข้าไม่ครบ

<?
if(isset($_POST["Import"]))
{
	$filename = $_FILES['file']['name'];
	$ext = pathinfo($filename, PATHINFO_EXTENSION);
	if($ext != "txt" ) {
		echo 'Upload File error';
	}
	else
	{
		echo 'Upload File complete';
		$filename=$_FILES["file"]["tmp_name"];
	if($_FILES["file"]["size"] > 0)
	{
		$file = fopen($filename, "r");
		while(!feof($file)) 
		{
			$data = explode("\t", fgets($file));
				$ASSET_NUMBER = $data[0];
				$ASSET_COMPCD = $data[1];
				$ASSET_PLANT = $data[2];
				$COSTCENTER = $data[3];
				$ACQUISITION_DATE = $data[4];
				$DESCRIPTION = $data[5];
				$ACQUIS_VAL = $data[6];
				$ACCUM_DEP = $data[7];
				$BOOK_VAL = $data[8];
				$ASST_NO = $data[9];
				$ASST_NAME = $data[10];
				$LOCATION = $data[11];
				$STATUS = $data[12];
				
				$str_query = "INSERT INTO `temp` (ASSET_NUMBER, ASSET_COMPCD, ASSET_PLANT, COSTCENTER, ACQUISITION_DATE, DESCRIPTION, ACQUIS_VAL, ACCUM_DEP, BOOK_VAL, ASST_NO, ASST_NAME, LOCATION, STATUS) 
VALUES ('$ASSET_NUMBER', '$ASSET_COMPCD', '$ASSET_PLANT', '$COSTCENTER', '$ACQUISITION_DATE', '$DESCRIPTION', '$ACQUIS_VAL', '$ACCUM_DEP', '$BOOK_VAL', '$ASST_NO', '$ASST_NAME', '$LOCATION', '$STATUS')";
				$result = mysql_query($str_query,$connection);
				echo '<meta http-equiv="Content-Type" content="text/html; charset=TIS-620">';
				echo '<script language="javascript">';
				echo 'alert("บันทึกข้อมูลเรียบร้อย")';
				echo '</script>';
				echo'<script>window.location="upload.php";</script>';
		}
	}else 
		{
				echo '<meta http-equiv="Content-Type" content="text/html; charset=TIS-620">';
				echo '<script language="javascript">';
				echo 'alert("ไม่สามารถบันทึกข้อมูลได้ ")';
				echo '</script>';
				echo'<script>window.location="upload.php";</script>';
		}
	fclose($file);
	}
}
?>