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