 <td>0.03</td>
      <td>0.08</td>
      <td>-</td>
      <td></td>
      <td></td>
      <td></td>
      <td></td>
      <td></td>
    </tr>
    <tr>
      <th>fck_f</th>
      <td>0.55**</td>
      <td>0.39**</td>
      <td>0.46**</td>
      <td>0.39**</td>
      <td>-</td>
      <td></td>
      <td></td>
      <td></td>
      <td></td>
    </tr>
    <tr>
      <th>fck_d</th>
      <td>0.22**</td>
      <td>0.08**</td>
      <td>0.05</td>
      <td>0.05</td>
      <td>0.43**</td>
      <td>-</td>
      <t