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