Group

Proportion of beta unstable (Significant level 10%)

6 months

12 months

18 months

24 months

36 months

1

24.68%

26.67%

33.33%

29.76%

26.19%

2

19.48%

24.29%

30.95%

35.71%

28.57%

3

21.00%

27.14%

35.71%

35.71%

28.57%

4

23.59%

30.95%

40.48%

35.71%

30.95%

5

31.36%

23.50%

34.17%

23.75%

32.50%