| Value | Category | Cases | |
|---|---|---|---|
| 0 | 297 |
29.7%
|
|
| 1 | 138 |
13.8%
|
|
| 2 | 143 |
14.3%
|
|
| 3 | 131 |
13.1%
|
|
| 4 | 75 |
7.5%
|
|
| 5 | 63 |
6.3%
|
|
| 6 | 19 |
1.9%
|
|
| 7 | 133 |
13.3%
|
|
| Sysmiss | 1027 |