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