0
no smoking
0
1
0
1
0
1
4
4
0
5
1
3
3
11
4
3
1
2
3
2
2
3
0
0
2
2
1
1
1
1
2
2
0
0
0
3
4
0
1
0
2
1
2
2
3
0
1
1
1
