7
no smoking
4
8
7
13
2
19
16
7
10
7
12
13
14
4
2
13
6
8
29
2
2
3
3
25
5
4
6
15
1
6
0
13
23
9
22
12
15
10
6
8
16
5
9
3
1
10
9
24
13
