title: Unable to plot dataframe (Output not excepted)
body: <p>I try to plot the following dataframe :</p>
  <pre><code>3     2019.0   2020.0    2021.0 2022.0 2023.0 2024.0
  NaN
  S1     -78.876  -145.006 -336.5790 -187.5  -156   -114
  S2      91.453    74.644  177.9077     93   224    383
  </code></pre>
  <p>doing :
  DF.plot(kind=&quot;bar&quot;)
  but I get as output :</p>
  <p><a href="https://i.stack.imgur.com/r4QBw.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/r4QBw.png" alt="enter image description here" /></a></p>
  <p>This is not the output excepted.</p>
  <p>The output excepted would be stuff like that :</p>
  <p><a href="https://i.stack.imgur.com/rzn4z.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rzn4z.png" alt="enter image description here" /></a></p>