public void SetAverageNumberOfPersons()
    {
        if(averageNumberOfPersons != 0)
        {
            if(Count() !=0)
            {
                averageNumberOfPersons = (averageNumberOfPersons + Count())/2;
            }
//System.out.println("Bus-Stop: " +this.busStopNumber+", Average number of Persons: "+averageNumberOfPersons);                    
        }
        else
        {
            if(Count() != 0)
            {
                averageNumberOfPersons = Count();
            }
//System.out.println("Bus-Stop: " +this.busStopNumber+", Average number of Persons: "+averageNumberOfPersons);                    
        }
    }