None
1,560
1
1,423
1,961
1,555
2
1,228
817
4,636
2,920
7
2,319
7,940
20
2,039
3,019
1,963
2,354
1,562
1,430
2,316
5,531
2,353
1,594
3,747
6
5,975
8
1,395
2,255
2,048
2,713
3