6
no smoking
1
2
1
0
4
4
2
0
1
2
2
1
7
3
3
5
0
3
3
6
3
5
2
2
4
2
1
2
2
2
4
5
6
3
2
1
2
2
4
5
2
3
6
2
3
2
3
4
4
