20
no smoking
6
2
7
14
3
7
29
4
5
8
19
17
16
25
5
16
15
24
12
17
16
13
4
17
21
7
14
27
18
16
2
27
11
19
13
16
9
18
4
17
25
9
13
6
43
12
15
7
12
