4
middle-aged
6
13
15
3
3
8
16
5
10
3
12
9
8
11
18
4
4
2
26
16
14
14
11
10
36
26
15
10
8
11
8
25
2
12
17
15
10
17
11
8
3
21
56
22
3
11
9
2
6
