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:
Aker Stadion
Table title:
Attendance
Table:
<table id='hittask' contenteditable='False'>
<tr> <th colspan=1 rowspan=1 > Season </th><th colspan=1 rowspan=1 > Avg </th><th colspan=1 rowspan=1 > Min </th><th colspan=1 rowspan=1 > Max </th><th colspan=1 rowspan=1 > Rank </th><th colspan=1 rowspan=1 > Ref </th></tr>
<tr> <th class="highlighted"  colspan=1 rowspan=1 > 1998 </th><td colspan=1 rowspan=1 > 8,516 </td><td colspan=1 rowspan=1 > 6,036 </td><td class="highlighted"  colspan=1 rowspan=1 > 13,308 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 1999 </th><td colspan=1 rowspan=1 > 7,163 </td><td colspan=1 rowspan=1 > 4,500 </td><td colspan=1 rowspan=1 > 12,914 </td><td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2000 </th><td colspan=1 rowspan=1 > 6,816 </td><td colspan=1 rowspan=1 > 5,382 </td><td colspan=1 rowspan=1 > 11,167 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2001 </th><td colspan=1 rowspan=1 > 6,601 </td><td colspan=1 rowspan=1 > 4,883 </td><td colspan=1 rowspan=1 > 11,167 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2002 </th><td colspan=1 rowspan=1 > 6,193 </td><td colspan=1 rowspan=1 > 4,303 </td><td colspan=1 rowspan=1 > 11,167 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2003 </th><td colspan=1 rowspan=1 > 5,945 </td><td colspan=1 rowspan=1 > 3,822 </td><td colspan=1 rowspan=1 > 11,167 </td><td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2004 </th><td colspan=1 rowspan=1 > 5,554 </td><td colspan=1 rowspan=1 > 4,187 </td><td colspan=1 rowspan=1 > 9,142 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2005 </th><td colspan=1 rowspan=1 > 6,512 </td><td colspan=1 rowspan=1 > 4,525 </td><td colspan=1 rowspan=1 > 11,167 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2006 </th><td colspan=1 rowspan=1 > 6,127 </td><td colspan=1 rowspan=1 > 4,351 </td><td colspan=1 rowspan=1 > 9,215 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2007 </th><td colspan=1 rowspan=1 > 6,344 </td><td colspan=1 rowspan=1 > 5,226 </td><td colspan=1 rowspan=1 > 7,530 </td><td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2008 </th><td colspan=1 rowspan=1 > 8,203 </td><td colspan=1 rowspan=1 > 6,969 </td><td colspan=1 rowspan=1 > 11,400 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2009 </th><td colspan=1 rowspan=1 > 7,965 </td><td colspan=1 rowspan=1 > 5,741 </td><td colspan=1 rowspan=1 > 11,168 </td><td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2010 </th><td colspan=1 rowspan=1 > 8,413 </td><td colspan=1 rowspan=1 > 7,302 </td><td colspan=1 rowspan=1 > 11,140 </td><td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2011 </th><td colspan=1 rowspan=1 > 9,817 </td><td colspan=1 rowspan=1 > 8,158 </td><td colspan=1 rowspan=1 > 11,292 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2012 </th><td colspan=1 rowspan=1 > 9,338 </td><td colspan=1 rowspan=1 > 8,503 </td><td colspan=1 rowspan=1 > 11,112 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2013 </th><td colspan=1 rowspan=1 > 8,828 </td><td colspan=1 rowspan=1 > 7,854 </td><td colspan=1 rowspan=1 > 11,074 </td><td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2014 </th><td colspan=1 rowspan=1 > 9,243 </td><td colspan=1 rowspan=1 > 8,284 </td><td colspan=1 rowspan=1 > 11,424 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2015 </th><td colspan=1 rowspan=1 > 8,952 </td><td colspan=1 rowspan=1 > 8,141 </td><td colspan=1 rowspan=1 > 11,113 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2016 </th><td colspan=1 rowspan=1 > 8,392 </td><td colspan=1 rowspan=1 > 7,459 </td><td colspan=1 rowspan=1 > 11,348 </td><td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2017 </th><td colspan=1 rowspan=1 > 7,785 </td><td colspan=1 rowspan=1 > 6,635 </td><td colspan=1 rowspan=1 > 10,720 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 >  </td></tr>
<tr> <th colspan=1 rowspan=1 > 2018 </th><td colspan=1 rowspan=1 > 7,111 </td><td colspan=1 rowspan=1 > 6,218 </td><td colspan=1 rowspan=1 > 9,444 </td><td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 >  </td></tr>
</table>
Question:
What was the attendance of Aker Stadion in 1998?
Answer:
Aker Stadion's record attendance was 13,308 in 1998.