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:
Albona-class minelayer
Table title:
Ships
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Austro-Hungarian designation </th><th colspan=1 rowspan=1 > Builder </th><th colspan=1 rowspan=1 > Laid down </th><th colspan=1 rowspan=1 > Launched </th><th colspan=1 rowspan=1 > Completed </th><th colspan=1 rowspan=1 > Completed for </th><th colspan=1 rowspan=1 > Name upon completion </th></tr>
<tr> <td colspan=1 rowspan=1 > MT.130 </td><td colspan=1 rowspan=14 > Jadranska Brodogradilišta, Kraljevica, Kingdom of Serbs, Croats and Slovenes/Yugoslavia </td><td colspan=1 rowspan=1 > 27 October 1917 </td><td colspan=1 rowspan=1 > 20 July 1918 </td><td colspan=1 rowspan=1 > 3 January 1920 </td><td colspan=1 rowspan=3 > Regia Marina </td><td colspan=1 rowspan=1 > Albona </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.131 </td><td colspan=1 rowspan=1 > 30 October 1917 </td><td colspan=1 rowspan=1 > 24 August 1918 </td><td colspan=1 rowspan=1 > 7 February 1920 </td><td colspan=1 rowspan=1 > Laurana </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.132 </td><td colspan=1 rowspan=1 > 3 November 1917 </td><td colspan=1 rowspan=1 > 28 September 1918 </td><td colspan=1 rowspan=1 > 16 July 1920 </td><td colspan=1 rowspan=1 > Rovigno </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > MT.133 </td><td colspan=1 rowspan=1 > 6 November 1917 </td><td colspan=1 rowspan=1 > Unknown </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td class="highlighted"  colspan=1 rowspan=5 > Royal Yugoslav Navy </td><td class="highlighted"  colspan=1 rowspan=1 > Malinska </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > MT.134 </td><td colspan=1 rowspan=1 > 7 December 1917 </td><td colspan=1 rowspan=1 > Unknown </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td class="highlighted"  colspan=1 rowspan=1 > Marjan </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > MT.135 </td><td colspan=1 rowspan=1 > 8 December 1917 </td><td colspan=1 rowspan=1 > Unknown </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td class="highlighted"  colspan=1 rowspan=1 > Meljine </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > MT.136 </td><td colspan=1 rowspan=1 > 29 December 1917 </td><td colspan=1 rowspan=1 > Unknown </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td class="highlighted"  colspan=1 rowspan=1 > Mljet </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > MT.137 </td><td colspan=1 rowspan=1 > 29 December 1917 </td><td colspan=1 rowspan=1 > Unknown </td><td class="highlighted"  colspan=1 rowspan=1 > 1931 </td><td class="highlighted"  colspan=1 rowspan=1 > Mosor </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.138 </td><td colspan=1 rowspan=1 > 11 February 1918 </td><td colspan=1 rowspan=1 > — </td><td colspan=1 rowspan=6 > 45% complete by October 1918 </td><td colspan=1 rowspan=6 > Never completed </td><td colspan=1 rowspan=6 > — </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.139 </td><td colspan=1 rowspan=1 > 23 February 1918 </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.140 </td><td colspan=1 rowspan=1 > August 1918 </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.141 </td><td colspan=1 rowspan=1 > September 1918 </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.142 </td><td colspan=1 rowspan=1 > September 1918 </td></tr>
<tr> <td colspan=1 rowspan=1 > MT.143 </td><td colspan=1 rowspan=1 > September 1918 </td></tr>
</table>
Question:
What ships were completed in 1931 for the Royal Yugoslav Navy?
Answer:
Five ships, MT.133–137, were completed in 1931 for the Royal Yugoslav Navy as Malinska, Marjan, Meljine, Mljet and Mosor, respectively.