| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 23 |
0.1%
|
| 2 | 2--4 | 48 |
0.2%
|
| 3 | 5--9 | 16 |
0.1%
|
| 4 | 10--19 | 6 |
0%
|
| 5 | 20+ | 7 |
0%
|
| Sysmiss | 22855 |