2
Sources
2
3
2
0
2
1
2
0
1
1
3
1
5
5
6
2
4
1
0
1
6
4
0
2
1
1
1
1
3
3
3
2
0
1
2
1
2
1
1
25K
4
2
2
0
1
4
2
1
1
