16
no smoking
15
24
12
17
16
13
4
17
21
7
27
18
16
2
27
19
13
16
9
4
17
9
13
6
43
12
15
7
12
2
16
18
30
9
12
12
3
31
12
5
15
14
17
15
22
7
1
1
13
