vestor      DE_count</span>
<span class="co">#&gt; 1     46Z68  0.6705760963</span>
<span class="co">#&gt; 2     8ZQ32  0.5318072092</span>
<span class="co">#&gt; 3     62NQ8  0.5049538124</span>
<span class="co">#&gt; 4     44382  0.4917751394</span>
<span class="co">#&gt; 5     743Q1  0.0005595955</span>
<span class="co">#&gt; 6     QZNZN -0.0089654513</span>
<span class="co">#&gt; 7     4Q17Z -0.1678092462</span>
<span class="co">#&gt; 8     QZ621 -0.2115754843</span>
<span class="co">#&gt; 9     QZ31Q -