2
no smoking
4
1
1
1
1
1
17
1
1
4
2
0
4
2
2
0
3
6
6
1
1
2
1
3
3
2
2
1
2
2
2
2
1
1
1
3
4
1
2
1
1
4
0
1
1
0
1
5
2
