| Value | Category | Cases | |
|---|---|---|---|
| 0 | 121 |
5.8%
|
|
| 1 | 1156 |
55.3%
|
|
| 2 | 447 |
21.4%
|
|
| 3 | 266 |
12.7%
|
|
| 4 | 101 |
4.8%
|
|
| Sysmiss | 2447 |