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