| Value | Category | Cases | |
|---|---|---|---|
| 0 | 132 |
23.7%
|
|
| 1 | 205 |
36.9%
|
|
| 2 | 164 |
29.5%
|
|
| 3 | 43 |
7.7%
|
|
| 4 | 8 |
1.4%
|
|
| 5 | 3 |
0.5%
|
|
| 6 | 6+ | 1 |
0.2%
|
| Sysmiss | 3 |