30
no smoking
1
5
2
18
6
5
5
5
8
2
3
11
3
5
3
8
2
2
8
5
13
7
5
6
6
3
7
4
8
7
2
19
16
7
7
12
13
14
4
2
13
6
8
29
2
2
3
3
25
