This radial stacked bar chart displays monthly online shopping rates across eight spending ranges, from 0.1 to 0.8. Each month is shown as a wedge around the circle, with colored segments representing different value brackets and the radius encoding the proportion of shoppers in each category. Built with D3 v4, it uses d3.stack, d3.arc, and d3.scaleBand to generate the sectors, while d3.axisLeft and custom radial gridlines indicate percentage levels. The data comes from a CSV file, and a custom d3-scale-radial library from Mike Bostock’s radial chart examples is included, though the main radius scale employs d3.scaleLinear instead.