| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1991 |
51.7%
|
|
| 2 | 355 |
9.2%
|
|
| 3 | 822 |
21.4%
|
|
| 9 | 682 |
17.7%
|
|
| Sysmiss | 105 |