This visualization displays Russian auto sales data by year, plotting the year on the x-axis and sales quantity on the y-axis as circular marks. The circles are colored by quantity and include tooltips showing brand names. It uses the Vega-Lite API with D3.js (`d3.csv`) to load data from a Gist, then renders the chart via Vega-Lite’s API, configured with custom axis styles and a dark theme for readability.