an>, <span class="st">"2014-03-29"</span>, <span class="st">"2014-12-06"</span>, <span class="st">"2014-09-09"</span>,</span>
<span class="r-in">                          <span class="cn">NA</span>, <span class="cn">NA</span>, <span class="st">"2014-06-16"</span>, <span class="cn">NA</span>, <span class="st">"2014-05-23"</span>,</span>
<span class="r-in">                          <span class="st">"2014-05-09"</span>, <span class="st">"2014-05-31"</span>, <span class="cn">NA</span>, <span class="st">"2014-