None 17.81%: 1 9.16%: 2 12.20%: 3-4 17.70%: more than 4! 43.13%:
1 9.16%: 2 12.20%: 3-4 17.70%: more than 4! 43.13%:
2 12.20%: 3-4 17.70%: more than 4! 43.13%:
3-4 17.70%: more than 4! 43.13%:
more than 4! 43.13%: