2
average
1
1
2
1
1
1
1
4
2
4
2
1
0
2
5
1
2
2
2
3
2
1
2
2
2
0
4
1
2
3
5
3
0
2
1
5
3
7
3
5
1
0
3
2
3
2
2
3
1
