None 17.44%:  1 8.87%:  2 12.38%:  3-4 18.09%:  more than 4! 43.22%:  
1 8.87%:  2 12.38%:  3-4 18.09%:  more than 4! 43.22%:  
2 12.38%:  3-4 18.09%:  more than 4! 43.22%:  
3-4 18.09%:  more than 4! 43.22%:  
more than 4! 43.22%: