Here is the smoothed version of the map with the number of reports in January and February.
Click the map in oder to enlarge it.
The numbers for the map were kindly computed by Professor Harvard Rue from Trondheim.
You see a face the eyes of which are in Frankfurt and Freiberg, and the mouth is in Munich.
The choice of the grey levels is the same as in the unsmoothed map,
in order to enable an easy comparison of both maps.
(Here the professor of statistics shows his aim to teach people the methodolgy of statistics.)
Obviously, the smoothing is rather strong, many details vanish. However, it had the effect wanted:
The white areas around Stuttgart appear now in grey.