| Value | Category | Cases | |
|---|---|---|---|
| 0 | 171 |
20.3%
|
|
| 1 | 439 |
52.1%
|
|
| 2 | 125 |
14.8%
|
|
| 3 | 75 |
8.9%
|
|
| 4 | 24 |
2.8%
|
|
| 5 | 5+ | 9 |
1.1%
|
| Sysmiss | 292 |