None
1,559
1
1,423
1,961
1,555
2
1,228
817
4,635
2,920
7
2,318
7,939
20
2,039
3,019
1,963
2,354
1,562
1,430
2,316
5,531
2,353
1,594
3,746
6
5,975
8
1,395
2,254
2,048
2,713
3