| Value | Category | Cases | |
|---|---|---|---|
| 0 | 336 |
32.4%
|
|
| 1 | 101 |
9.7%
|
|
| 2 | 112 |
10.8%
|
|
| 3 | 204 |
19.7%
|
|
| 4 | 146 |
14.1%
|
|
| 5 | 96 |
9.3%
|
|
| 6 | 36 |
3.5%
|
|
| 7 | 6 |
0.6%
|
|
| Sysmiss | 13 |