In the sidebar, you will see this. Each dot represents hits from various countries. Larger dots indicate larger volumes of people, as specified. If you click on the map, here or in the sidebar, it will reveal those hits better.
I'd like to welcome all of those visiting from around the US, Canada, and other English speaking countries, as well as the many who visit this blog from non-English speaking countries. This actually has me humbled in wanting to learn foreign languages again - a childhood dream, was to learn many.
If you click on the map, it may take a moment to load the full version. It's much easier to read, and there is a legend so you can see what the different size dots mean.