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%: