| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 686 |
2.9%
|
| 2 | 2-4 | 2061 |
8.6%
|
| 3 | 5-9 | 1096 |
4.6%
|
| 4 | 10-19 | 566 |
2.4%
|
| 5 | 20+ | 2220 |
9.3%
|
| Sysmiss | 17311 |