Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
Goa Opinion Poll
Table title:
Results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Choice </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th></tr>
<tr> <td colspan=1 rowspan=1 > Separate territory </td><td class="highlighted"  colspan=1 rowspan=1 > 172,191 </td><td colspan=1 rowspan=1 > 54.20 </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > Merger </td><td class="highlighted"  colspan=1 rowspan=1 > 138,170 </td><td colspan=1 rowspan=1 > 43.50 </td></tr>
<tr> <td colspan=1 rowspan=1 > Total </td><td colspan=1 rowspan=1 > 317,633 </td><td colspan=1 rowspan=1 > 100 </td></tr>
<tr> <td colspan=1 rowspan=1 > Registered voters/turnout </td><td colspan=1 rowspan=1 > 388,432 </td><td colspan=1 rowspan=1 > 81.77 </td></tr>
<tr> <td colspan=3 rowspan=1 >  </td></tr>
</table>
Question:
How much did Goans reject the merger by?
Answer:
Goans rejected the merger by a vote of 172,191 to 138,170.