0
no smoking
0
0
0
0
0
2
0
2
3
2
0
0
0
0
1
3
0
1
0
1
0
1
1
0
1
4
2
3
0
3
1
0
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
