| Value | Category | Cases | |
|---|---|---|---|
| 0 | 12 |
5.5%
|
|
| 1 | 134 |
61.8%
|
|
| 2 | 55 |
25.3%
|
|
| 3 | 7 |
3.2%
|
|
| 4 | 3 |
1.4%
|
|
| 5 | 4 |
1.8%
|
|
| 8 | 2 |
0.9%
|
|
| Sysmiss | 303 |