The mean value of difficulty of all the pirouettes in the routines with a ball performed by Serbian contestants was 0.58 points .
Serbian amounted to 1.17 points in the routines of the World contestants .
The mean value of difficulty of all the pirouettes in the routines with a ball performed by Serbian contestants was 0.58 points , while it amounted to 1.17 points in the routines of the World contestants .