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