0
no drinking
4
1
2
2
6
1
2
3
3
3
5
3
4
6
4
4
4
2
6
1
2
3
0
3
2
1
1
2
2
3
5
1
7
1
5
1
5
3
3
5
4
3
9
5
3
0
5
0
2
