| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 150 |
33.8%
|
| 2 | 1-2 | 25 |
5.6%
|
| 3 | 3-10 | 125 |
28.2%
|
| 4 | 11-20 | 99 |
22.3%
|
| 5 | >20 | 45 |
10.1%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 1 | |
| Sysmiss | 12 |