1
Sources
3
2
2
1
1
21K
1
1
2
2
1
1
1
1
1
0
2
1
0
2
2
1
1
0
1
2
3
3
5
4
4
1
4
5
2
2
2
0
3
2
3
1
1
0
0
1
0
5
2
