title: ggplot barplot knitted with R Markdown
body: <p>Problem: The labels of the y-axis of this plot are too close too each other. </p>
  
  <p>Question: How can I increase the spacing between labels?</p>
  
  <p><a href="https://i.stack.imgur.com/EeYpW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/EeYpW.png" alt="enter image description here"></a></p>