Simple tool for proportional area charts

<img width=“750” height=“657” src=“https://i0.wp.com/flowingdata.com/wp-content/uploads/2024/05/area-reiszing.png?fit=750%2C657&quality=80&ssl=1" class=“attachment-medium size-medium wp-post-image” alt=“” decoding=“async” srcset=“https://i0.wp.com/flowingdata.com/wp-content/uploads/2024/05/area-reiszing.png?w=2054&quality=80&ssl=1 2054w, https://i0.wp.com/flowingdata.com/wp-content/uploads/2024/05/area-reiszing.png?resize=750%2C657&quality=80&ssl=1 750w, https://i0.wp.com/flowingda …