| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
2.4%
|
|
| 1 | 174 |
29.4%
|
|
| 2 | 176 |
29.8%
|
|
| 3 | 121 |
20.5%
|
|
| 4 | 66 |
11.2%
|
|
| 5 | 31 |
5.2%
|
|
| 6 | 7 |
1.2%
|
|
| 7 | 2 |
0.3%
|
|
| Sysmiss | 245 |