2
middle-aged
14
4
3
9
11
3
14
11
5
6
5
4
10
3
14
20
7
19
5
4
12
11
5
4
6
5
16
21
3
14
4
5
3
8
6
13
6
12
6
6
5
5
5
11
3
7
21
8
18
