0
Sources
2
1
1
1
3
4
2
2
2
1
20K
3
1
3
2
2
1
1
1
2
2
1
0
1
0
2
1
3
2
4
3
4
4
3
2
4
2
3
1
2
1
4
0
0
1
1
1
1
1
