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:
2005 Luxembourg European Constitution referendum
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 class="highlighted"  colspan=1 rowspan=1 > Referendum passed Yes </td><td colspan=1 rowspan=1 > 109,494 </td><td class="highlighted"  colspan=1 rowspan=1 > 56.52 </td></tr>
<tr> <td colspan=1 rowspan=1 > No </td><td colspan=1 rowspan=1 > 84,221 </td><td colspan=1 rowspan=1 > 43.48 </td></tr>
<tr> <td colspan=1 rowspan=1 > Valid votes </td><td colspan=1 rowspan=1 > 193,715 </td><td colspan=1 rowspan=1 > 97.05 </td></tr>
<tr> <td colspan=1 rowspan=1 > Invalid or blank votes </td><td colspan=1 rowspan=1 > 5,894 </td><td colspan=1 rowspan=1 > 2.95 </td></tr>
<tr> <td colspan=1 rowspan=1 > Total votes </td><td colspan=1 rowspan=1 > 199,609 </td><td colspan=1 rowspan=1 > 100.00 </td></tr>
<tr> <td colspan=1 rowspan=1 > Registered voters and turnout </td><td class="highlighted"  colspan=1 rowspan=1 > 220,717 </td><td colspan=1 rowspan=1 > 90,44 </td></tr>
</table>
Question:
What percentage of people voted "yes" in the referendum?
Answer:
56.52% of the 220,717 voters said "yes".