| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 6 |
2.5%
|
| 1 | [1,5) | 140 |
57.4%
|
| 5 | [5,10) | 74 |
30.3%
|
| 10 | [10,15) | 16 |
6.6%
|
| 15 | [15,20) | 4 |
1.6%
|
| 20 | 20 or more | 4 |
1.6%
|
| Sysmiss | 55 |