title: How can I create a "progress bar" type of graph in ggplot2 to display the percentile that a person is in?
body: <p>I am trying to generate a one-dimensional graph that looks like a progress bar in that it gets filled up depending on which percentile a subject falls in.</p>
  
  <p><a href="https://i.stack.imgur.com/dCGSF.png" rel="noreferrer"><img src="https://i.stack.imgur.com/dCGSF.png" alt="enter image description here"></a></p>
  
  <p>I have the percentile as a numerical value, just don't know how to graph it to look look like a horizontal bar that is filled according to the percentile (0-100).</p>