5.6 Exercise: Scraping (more) tables

1. For your project you would like to know how the average population has increased in Switzerland over the years. Search for data and plot it.
   • Source: https://en.wikipedia.org/wiki/Demographics_of_Switzerland
   • Use the html_nodes function that we used above (other useful functions could be gsub(), t(), rownames() and data.frame().
     
   • Rename the variables.
2. Try to produce the plot shown below.

Q: What kind of evolution is that? What happened at the time of the bumps?