title: increasing x y values in matpplot
body: <p>I have made a plot in Jupyter and I got output as shown in picture but I want to increase my x values like it has 1995,2000,2005,2010,2015 on x axis and I want more x values like say 1995,1997,1999,2001,2003...so on.</p>
  <p>I have enter this code but I am unable to produce more x values and y values as mentioned before.</p>
  <pre><code> fig=plt.figure(figsize=(9, 7), dpi= 100, facecolor='w', edgecolor='k')    
   plt.plot(df_3)
  </code></pre>
  <p><img src="https://i.stack.imgur.com/qZp0S.png" alt="click here for the graph" /></p>