Clear selected countries when changing what's shown
Clear selected countries when changing what's shown

alliance-timur/vizabi,Gapminder/vizabi,buchslava/vizabi,alliance-timur/vizabi,Gapminder/vizabi,sergey-filipenko/vizabi,sergey-filipenko/vizabi,jdk137/vizabi,vizabi/vizabi,vizabi/vizabi,dab2000/vizabi,Gapminder/vizabi,alliance-timur/vizabi,buchslava/vizabi,sergey-filipenko/vizabi,jdk137/vizabi,dab2000/vizabi,jdk137/vizabi,dab2000/vizabi,buchslava/vizabi