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:
Adventure Racing World Series
Table title:
World Championship results
Table:
<table id='hittask' contenteditable='False'>
<tr> <td colspan=1 rowspan=1 > Year </td><td colspan=1 rowspan=1 > Country </td><td colspan=1 rowspan=1 > Race </td><td colspan=1 rowspan=1 > World Champion </td><td colspan=1 rowspan=1 > Nationality </td></tr>
<tr> <td colspan=1 rowspan=1 > 2001 </td><td colspan=1 rowspan=1 > Switzerland </td><td colspan=1 rowspan=1 > Discovery Channel World Championships </td><td colspan=1 rowspan=1 > Team Nokia Adventure </td><td colspan=1 rowspan=1 > Sweden </td></tr>
<tr> <td colspan=1 rowspan=1 > 2004 </td><td colspan=1 rowspan=1 > Canada </td><td colspan=1 rowspan=1 > Raid The North Extreme </td><td colspan=1 rowspan=1 > Nike ACG Balance Bar </td><td colspan=1 rowspan=1 > USA </td></tr>
<tr> <td colspan=1 rowspan=1 > 2005 </td><td colspan=1 rowspan=1 > New Zealand </td><td colspan=1 rowspan=1 > Southern Traverse </td><td colspan=1 rowspan=1 > Balance Vector </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td colspan=1 rowspan=1 > 2006 </td><td colspan=1 rowspan=1 > Sweden </td><td colspan=1 rowspan=1 > Explore Sweden </td><td colspan=1 rowspan=1 > Nike PowerBlast </td><td colspan=1 rowspan=1 > USA </td></tr>
<tr> <td colspan=1 rowspan=1 > 2007 </td><td colspan=1 rowspan=1 > Scotland </td><td colspan=1 rowspan=1 > Wilderness ARC </td><td colspan=1 rowspan=1 > Nike </td><td colspan=1 rowspan=1 > USA </td></tr>
<tr> <td colspan=1 rowspan=1 > 2008 </td><td colspan=1 rowspan=1 > Brazil </td><td colspan=1 rowspan=1 > Ecomotion </td><td colspan=1 rowspan=1 > Orion Health </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td colspan=1 rowspan=1 > 2009 </td><td colspan=1 rowspan=1 > Portugal </td><td colspan=1 rowspan=1 > Portugal XPD </td><td colspan=1 rowspan=1 > Helly Hansen Prunesco </td><td colspan=1 rowspan=1 > Britain </td></tr>
<tr> <td colspan=1 rowspan=1 > 2010 </td><td colspan=1 rowspan=1 > Spain </td><td colspan=1 rowspan=1 > Bimbache Extrem </td><td colspan=1 rowspan=1 > Buff Thermocool </td><td colspan=1 rowspan=1 > Spain </td></tr>
<tr> <td colspan=1 rowspan=1 > 2011 </td><td colspan=1 rowspan=1 > Australia </td><td colspan=1 rowspan=1 > XPD Expedition Race </td><td colspan=1 rowspan=1 > Thule Adventure Team </td><td colspan=1 rowspan=1 > Sweden </td></tr>
<tr> <td colspan=1 rowspan=1 > 2012 </td><td colspan=1 rowspan=1 > France </td><td colspan=1 rowspan=1 > Raid in France </td><td colspan=1 rowspan=1 > Team Seagate </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2013 </td><td class="highlighted"  colspan=1 rowspan=1 > Costa Rica </td><td colspan=1 rowspan=1 > Costa Rica AR </td><td class="highlighted"  colspan=1 rowspan=1 > Thule Adventure Team </td><td colspan=1 rowspan=1 > France </td></tr>
<tr> <td class="highlighted"  colspan=1 rowspan=1 > 2014 </td><td class="highlighted"  colspan=1 rowspan=1 > Ecuador </td><td colspan=1 rowspan=1 > Husirasinchi Explorer </td><td class="highlighted"  colspan=1 rowspan=1 > Team Seagate </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td colspan=1 rowspan=1 > 2015 </td><td colspan=1 rowspan=1 > Brazil </td><td colspan=1 rowspan=1 > ARWS Brazil </td><td colspan=1 rowspan=1 > Team Seagate </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td colspan=1 rowspan=1 > 2016 </td><td colspan=1 rowspan=1 > Australia </td><td colspan=1 rowspan=1 > XPD Expedition Race </td><td colspan=1 rowspan=1 > Team Seagate </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
<tr> <td colspan=1 rowspan=1 > 2017 </td><td colspan=1 rowspan=1 > USA </td><td colspan=1 rowspan=1 > Cameco Cowboy Tough </td><td colspan=1 rowspan=1 > Team Seagate </td><td colspan=1 rowspan=1 > New Zealand </td></tr>
</table>
Question:
Who won the series in 2013 and 2014?
Answer:
The title of World Champion returned to the Thule Adventure Team at Costa Rica in 2013, before again being reclaimed by Team Seagate in Ecuador in 2014.