15
14
20
22
A. 15
13
10
18
15
24
18
16
12
18
15
25
20
11:54
11:51
11:50
11:53
12
13
14
15
40
35
25
30
36
40
41
48
8:7
6:3
3:6
9:5
22 years
20 years
21 years
24 years
5
10
15
20
45
42
40
44
35 years
47 years
40 years
45 years
15 years
12 years
19 years
17 years
10
8
4
None
15
14
20
22
39
37
41
35
38
40
41
30
10 years
14 years
16 years
12 years
30
25
20
15