None 17.79%:  1 9.17%:  2 12.20%:  3-4 17.68%:  more than 4! 43.15%:  
1 9.17%:  2 12.20%:  3-4 17.68%:  more than 4! 43.15%:  
2 12.20%:  3-4 17.68%:  more than 4! 43.15%:  
3-4 17.68%:  more than 4! 43.15%:  
more than 4! 43.15%: