This visualization shows the number of proposals for primary departments (ENG, DSI, GEU, A&S, MED) across different years, with each year selectable via clickable buttons. A horizontal bar chart displays the top five departments, and hovering over bars triggers an opacity change. The chart uses d3.scaleLinear and d3.scaleBand for axes, with data embedded as CSV strings in the code. The visualization is rendered as SVG with a pink-to-palevioletred color scheme for year selection.