| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 16 |
0.1%
|
| 2 | 2-4 | 33 |
0.2%
|
| 3 | 5-9 | 8 |
0%
|
| 4 | 10-19 | 1 |
0%
|
| 5 | 20+ | 1 |
0%
|
| Sysmiss | 21672 |