The code that generates the graphs for this website can be viewed on my GitHub page. The code is not complete and will change over time as I get time to optimise it and add comments. Once this code is complete I will create a toolset allowing people to create their own graphs from government data. However for the time being this code can be used by people who wish to understand how to use the government data to create graphs.
Required Dependencies are;
Notes regarding the data can be viewed here.