4
middle-aged
16
9
7
15
74
38
4
18
4
17
8
104
3
8
28
4
2
3
8
12
2
15
3
9
11
3
14
11
5
6
5
4
10
3
14
20
7
5
4
12
11
5
4
6
5
21
3
14
4
