<th style="text-align: centre; width: 150px">less then 30 s</th>
<th style="text-align: centre; width: 150px">30 s - 60 s</th>
<th style="text-align: centre; width: 150px">1 min - 2 min</th>
-<th style="text-align: centre; width: 150px">more then 2min</th>
+<th style="text-align: centre; width: 150px">2 min - 10 min</th>
+<th style="text-align: centre; width: 150px">more then 10 min</th>
</tr>
</thead>
<tbody>