| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.4%
|
|
| 1 | 291 |
55.4%
|
|
| 2 | 177 |
33.7%
|
|
| 3 | 36 |
6.9%
|
|
| 4 | 11 |
2.1%
|
|
| 5 | 6 |
1.1%
|
|
| 6 | 2 |
0.4%
|
|
| Sysmiss | 36 |