| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 36 |
13.1%
|
| 1 | [1,5) | 143 |
52%
|
| 5 | [5,10) | 74 |
26.9%
|
| 10 | [10,15) | 16 |
5.8%
|
| 15 | [15,20) | 1 |
0.4%
|
| 20 | 20 or more | 5 |
1.8%
|
| Sysmiss | 24 |