Bubblechart trail fails on splash load when there is no data for head (but then it's ok)
Bubblechart trail fails on splash load when there is no data for head (but then it's ok)

dab2000/vizabi,Gapminder/vizabi,sergey-filipenko/vizabi,sergey-filipenko/vizabi,buchslava/vizabi,Gapminder/vizabi,buchslava/vizabi,Gapminder/vizabi,sergey-filipenko/vizabi,dab2000/vizabi,vizabi/vizabi,dab2000/vizabi,vizabi/vizabi,buchslava/vizabi