tr>
<tr align="center" style="background:#FFFFFF;">
<th colspan="2">Average</th>
<th>11.5%</th>
<th>8.6%</th>
</tr>
</table>
</div>
</div>
<h2><span class="mw-headline" id="References">References</span></h2>
<div class="reflist" style="list-style-type: decimal;">
<ol class="references">
<li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><span class="citation news">Lee, Gyeong-Ho (8 March 2012). <a rel="nofollow" class="external text" hr