le style="width:35%;" class="table">
<colgroup>
<col width="11%">
<col width="9%">
<col width="13%">
</colgroup>
<thead><tr class="header">
<th align="center">ind</th>
<th align="center">time</th>
<th align="center">group</th>
</tr></thead>
<tbody>
<tr class="odd">
<td align="center">ind_1</td>
<td align="center">0</td>
<td align="center">group_A</td>
</tr>
<tr class="even">
<td align="center">ind_1</td>
<td align="center">5</td>
<td align="center">group_A</td>
</tr>
<tr class="odd">
<td align="center">ind_