title: polar chart : showing yearly trend
body: <p>I'm trying to reproduce the following chart:</p>
  
  <p><a href="https://i.stack.imgur.com/YbWhk.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YbWhk.jpg" alt="enter image description here"></a></p>
  
  <p>But I'm not sure if's actually possible to create such a plot using Python,R or Tableau. 
  Here is my first attempt using Plotly in R:</p>
  
  <p><a href="https://i.stack.imgur.com/fwDDN.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fwDDN.png" alt="enter image description here"></a></p>
  
  <p>Do you have any suggestion for creating such a chart? </p>