Well, I spat out the list of numbers and just googled "graph values" and took the first result, but if you love to stay in command line, you can do something like so...

# awk '{print $7-$4}' chart | gnuplot -p -e 'plot "/dev/stdin"'

Where `chart` is just what I copy and pasted from the site :)

I used a data -> awk -> graph with the NYT covid numbers, which had both state and county granularity. I used gnuplot to graph.