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:
Pole Vault Stars
Table title:
Past winners
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Year </th><th colspan=1 rowspan=1 > Men's winner </th><th colspan=1 rowspan=1 > Mark (m) </th><th colspan=1 rowspan=1 > Women's winner </th><th colspan=1 rowspan=1 > Mark (m) </th></tr>
<tr> <td colspan=1 rowspan=1 > 1990 </td><td colspan=1 rowspan=1 > Sergey Bubka (UKR) </td><td colspan=1 rowspan=1 > 6.05 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1991 </td><td colspan=1 rowspan=1 > Sergey Bubka (UKR) </td><td class="highlighted"  colspan=1 rowspan=1 > 6.11 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 1993 </td><td colspan=1 rowspan=1 > Sergey Bubka (UKR) </td><td class="highlighted"  colspan=1 rowspan=1 > 6.15 </td><td colspan=1 rowspan=1 >  </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > Giuseppe Gibilisco (ITA) </td><td colspan=1 rowspan=1 > 5.82 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.83 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > Derek Miles (USA) </td><td colspan=1 rowspan=1 > 5.85 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.87 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Paul Burgess (AUS) </td><td colspan=1 rowspan=1 > 5.80 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.91 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Paul Burgess (AUS) </td><td colspan=1 rowspan=1 > 5.80 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.93 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Maksym Mazuryk (UKR) </td><td colspan=1 rowspan=1 > 5.81 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.95 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Steve Hooker (AUS) </td><td colspan=1 rowspan=1 > 5.92 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 5.00 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Przemysław Czerwiński (POL) </td><td colspan=1 rowspan=1 > 5.82 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.85 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Renaud Lavillenie (FRA) </td><td colspan=1 rowspan=1 > 5.93 </td><td colspan=1 rowspan=1 > Yelena Isinbayeva (RUS) </td><td colspan=1 rowspan=1 > 4.85 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > Renaud Lavillenie (FRA) </td><td colspan=1 rowspan=1 > 5.82 </td><td colspan=1 rowspan=1 > Jiřina Ptáčníková (CZE) </td><td colspan=1 rowspan=1 > 4.70 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2013 </td><td colspan=1 rowspan=1 > Renaud Lavillenie (FRA) </td><td colspan=1 rowspan=1 > 5.85 </td><td colspan=1 rowspan=1 > Yarisley Silva (CUB) </td><td colspan=1 rowspan=1 > 4.76 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2014 </td><td colspan=1 rowspan=1 > Renaud Lavillenie (FRA) </td><td colspan=1 rowspan=1 > 6.16 </td><td colspan=1 rowspan=1 > Fabiana Murer (BRA) </td><td colspan=1 rowspan=1 > 4.62 </td></tr>
</table>
Question:
How successful was Pole Vault in 1991 and 1993?
Answer:
Pole Vault Stars won 6.11 m in 1991 and 6.15 m in 1993.