| Value | Category | Cases | |
|---|---|---|---|
| 0 | 0 | 12 |
1.2%
|
| 1 | 1 | 248 |
24.8%
|
| 2 | 2 | 466 |
46.6%
|
| 3 | 3 | 173 |
17.3%
|
| 4 | 4 | 76 |
7.6%
|
| 5 | 5 | 17 |
1.7%
|
| 6 | 6 | 6 |
0.6%
|
| 7 | 7 | 1 |
0.1%
|
| Sysmiss | 266 |