| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 132 |
29.8%
|
| 2 | 1-2 | 167 |
37.7%
|
| 3 | 3-10 | 136 |
30.7%
|
| 4 | 11-20 | 5 |
1.1%
|
| 5 | >20 | 3 |
0.7%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 2 | |
| Sysmiss | 12 |