| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 72 |
0.1%
|
| 2 | 2-4 | 171 |
0.2%
|
| 3 | 5-9 | 23 |
0%
|
| 4 | 10-19 | 8 |
0%
|
| 5 | 20+ | 10 |
0%
|
| Sysmiss | 90554 |