| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
3.7%
|
|
| 2 | 131 |
69.3%
|
|
| 3 | 25 |
13.2%
|
|
| 4 | 12 |
6.3%
|
|
| 5 | 7 |
3.7%
|
|
| 6 | 3 |
1.6%
|
|
| 7 | 4 |
2.1%
|
|
| Sysmiss | 3194 |