| Value | Category | Cases | |
|---|---|---|---|
| 0 | 138 |
6.2%
|
|
| 1 | 1106 |
49.7%
|
|
| 2 | 497 |
22.3%
|
|
| 3 | 232 |
10.4%
|
|
| 4 | 254 |
11.4%
|
|
| Sysmiss | 2 |