| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 739 |
3%
|
| 2 | 2-4 | 2345 |
9.5%
|
| 3 | 5-9 | 966 |
3.9%
|
| 4 | 10-19 | 640 |
2.6%
|
| 5 | 20+ | 2255 |
9.1%
|
| Sysmiss | 17704 |