style: italic;'>&lt;dbl&gt;</span><span>
#&gt; </span><span style='color: #555555;'>1</span><span> 2017-01-01     1     0
#&gt; </span><span style='color: #555555;'>2</span><span> 2017-03-01     1     1
#&gt; </span><span style='color: #555555;'>3</span><span> 2017-05-01     1     0
#&gt; </span><span style='color: #555555;'>4</span><span> 2017-01-01     2     0
#&gt; </span><span style='color: #555555;'>5</span><span> 2017-02-01     2    -</span><span style='color: #BB0000;'>1</span><span>
#&gt; </span><sp