| Value | Category | Cases | |
|---|---|---|---|
| 1 | Only one | 593 |
2.6%
|
| 2 | 2-4 | 1896 |
8.4%
|
| 3 | 5-9 | 779 |
3.5%
|
| 4 | 10-19 | 427 |
1.9%
|
| 5 | 20+ | 1811 |
8.1%
|
| Sysmiss | 16983 |