6
middle-aged
6
6
7
7
50
5
13
23
60
7
16
4
9
15
21
8
7
3
24
13
3
17
34
22
24
13
4
31
7
6
14
13
12
3
4
12
7
10
9
20
12
24
15
4
4
16
9
7
15
