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New Circle Bubble of BMW sales

✓ Published2🌍 Public
BBismark Kofi Owusu Sarfo
Last edited Nov 22, 2025
Created on Nov 20, 2025

This animated bubble chart visualizes BMW sales volumes from 2010 to 2024, with each bubble representing a model-country pair and sized by total sales volume for the displayed year. An interactive timeline plays through years sequentially, while users can filter by region and model using checkboxes. The visualization uses D3 v7 to render SVG elements and a `d3.rollups` operation in `dataProcessor.js` to aggregate the CSV data across country, model, and year dimensions. Animated transitions update bubble positions and sizes as the year label changes.

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MIT Licensed

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