0
student
0
3K
0
0
0
0
0
0
0
0
16K
0
12K
0
23K
8K
5K
5K
0
0
0
17K
0
0
0
0
0
12K
0
0
0
0
17K
0
0
9K
0
0
22K
0
27K
0
25K
10K
11K
4K
2K
0
4K
