Visualizing Google analytics report: motion chart with drilldowns

Below is a motion chart with drilldowns visualizing Google Analytics report for a fictional website. Click and hold on any bubble to see acquisition and conversion details for a specific channel: Direct, Organic Search, Referral, Social.

Why motion charts?

Motion chart allows efficient and interactive exploration and visualization of multi-dimensional data and can make it easier to notice an important trend. Google has done a great job explaining how motion chart can be useful in web analytics and providing a tool for building motion charts based on analytics reports.

Scatter/Bubble charts and regression analysis: median income and obesity levels

Is there a correlation between median income and obesity? I have put some numbers from a few data sources (see full list in the end of the post) in a single GoogleDocs spreadsheet. I have created a new grouped bubble chart and imported the data using CSV/TSV wizard, using Region/Haplogroup column for grouping: