3
average
0
2
1
1
4
2
1
3
1
2
3
0
2
1
3
0
1
1
0
3
1
1
1
0
1
5
2
1
2
2
1
1
0
0
3
2
1
3
2
0
2
1
1
2
1
1
1
1
4
