| Value | Category | Cases | |
|---|---|---|---|
| 1 | 424 |
62.6%
|
|
| 2 | 226 |
33.4%
|
|
| 3 | 16 |
2.4%
|
|
| 4 | 3 |
0.4%
|
|
| 5 | 4 |
0.6%
|
|
| 6 | 3 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 922 |