This area chart displays the number of reviews from 1975 to 2025, using a smooth curve to highlight trends over time. Built with React and D3 v5, the visualization renders an SVG with a green filled area beneath a line path, both generated via `d3.area` and `d3.line` with `curveBasis`. Axes are created using `d3.axisBottom` and `d3.axisLeft`, with scales from `d3.scaleTime` and `d3.scaleLinear`. Data is loaded as CSV from a GitHub gist, parsed with `d3.csv`, and formatted for display.