Every time when we searching restaurants for fine dining, we may take Michelin Guides as an indicator.
Though there are many sayings that Michelin Guides is not the best restaurants-searching bible, there are still thousands restaurants around the world strive hard to receive or keep the stars. Since Michelin added guides to the United States and Japan in 2006 and 2007 respectively, number if restaurants in the would with three-star status has boasted more than double that Japan even got more high ranking Michelin stared restaurants than France last year.
You could select for specific year by moving the timeline on the top right corner. For those unlabeled bubble, you could refer to the map legend for indication.
Chart features suggestions:
We could integrate this bubble chart with a world map for better present the data changes as map users can quickly recognize the country on the map if there is no region abbreviation or map legend for indication. Furthermore, since the positions of the bubbles would change by year, it is a bit hard for the map users to instantly compare the changes.
When integrating the bubble chart with the world map, size of the bubbles would still indicates the amount of stared restaurants, just like the current one.
Here is a video tutorial of integrating bubble chart with map without coding:
Related Article: Michelin Starred Restaurants in N.Y.C.