| Value | Category | Cases | |
|---|---|---|---|
| 1 | 9 |
4.2%
|
|
| 2 | 17 |
7.9%
|
|
| 3 | 97 |
45.3%
|
|
| 4 | 86 |
40.2%
|
|
| 9 | Missing | 5 |
2.3%
|
| Sysmiss | 2118 |