| Value | Category | Cases | |
|---|---|---|---|
| 1 | 5921 |
20.5%
|
|
| 2 | 3091 |
10.7%
|
|
| 3 | 19727 |
68.3%
|
|
| 4 | 141 |
0.5%
|
|
| Sysmiss | 2981 |