| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1557 |
11%
|
|
| 2 | 4084 |
29%
|
|
| 3 | 5940 |
42.1%
|
|
| 4 | 2517 |
17.9%
|
|
| Sysmiss | 189 |