df = {
let parse_row = function(d) {
d.receipts = +d.receipts
d.outstanding = +d.outstanding
d.disposals = +d.disposals
return d
}
return d3.csv("https://gist.githubusercontent.com/RobinL/5a3fb37c43c017a051ea7ece1804d18b/raw/bb0816955fbd30514d993ab7c2cb379837abc41a/tidy_timeliness.csv", parse_row)
}