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:
1972 United States presidential election in Iowa
Table title:
Statewide results
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=2 rowspan=1 > Party </th><th colspan=1 rowspan=1 > Candidate </th><th colspan=1 rowspan=1 > Votes </th><th colspan=1 rowspan=1 > % </th></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Republican </td><td class="highlighted"  colspan=1 rowspan=1 > Richard Nixon </td><td colspan=1 rowspan=1 > 706,207 </td><td class="highlighted"  colspan=1 rowspan=1 > 57.61% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Democratic </td><td class="highlighted"  colspan=1 rowspan=1 > George McGovern </td><td colspan=1 rowspan=1 > 496,206 </td><td class="highlighted"  colspan=1 rowspan=1 > 40.48% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > American Independent </td><td colspan=1 rowspan=1 > John G. Schmitz </td><td colspan=1 rowspan=1 > 22,056 </td><td colspan=1 rowspan=1 > 1.80% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Socialist Workers </td><td colspan=1 rowspan=1 > Linda Jenness </td><td colspan=1 rowspan=1 > 448 </td><td colspan=1 rowspan=1 > 0.04% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Independent </td><td colspan=1 rowspan=1 > Write-In's </td><td colspan=1 rowspan=1 > 321 </td><td colspan=1 rowspan=1 > 0.03% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Communist </td><td colspan=1 rowspan=1 > Gus Hall </td><td colspan=1 rowspan=1 > 272 </td><td colspan=1 rowspan=1 > 0.02% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Independent </td><td colspan=1 rowspan=1 > Gabriel Green </td><td colspan=1 rowspan=1 > 199 </td><td colspan=1 rowspan=1 > 0.02% </td></tr>
<tr> <td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 > Socialist Labor </td><td colspan=1 rowspan=1 > Louis Fisher </td><td colspan=1 rowspan=1 > 195 </td><td colspan=1 rowspan=1 > 0.02% </td></tr>
<tr> <th colspan=3 rowspan=1 > Total votes </th><td colspan=1 rowspan=1 > 1,225,944 </td><td colspan=1 rowspan=1 > 100% </td></tr>
</table>
Question:
How did Nixon in the 1972 United States presidential election in Iowa?
Answer:
Nixon carried Iowa with 57.61% of the vote to McGovern’s 40.48%, a victory margin of 17.13%.