8
middle-aged
19
9
30
4
12
9
13
2
13
14
13
2
8
2
16
12
22
16
22
4
8
3
15
10
17
6
15
12
10
9
9
15
15
15
11
5
8
10
8
11
4
6
13
3
8
5
10
3
12
