2
Sources
3
1
1
3
3
0
1
1
18K
2
3
4
0
21K
1
2
2
1
1
4
2
33K
4
4
4
2
4
6
19K
5
1
0
1
1
0
1
1
1
1
3
2
2
1
1
21K
1
1
2
1
