| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2070 |
7.2%
|
|
| 2 | 6182 |
21.4%
|
|
| 3 | 20578 |
71.3%
|
|
| 9 | 50 |
0.2%
|
|
| Sysmiss | 2981 |