| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.1%
|
|
| 1 | 962 |
51.3%
|
|
| 2 | 749 |
39.9%
|
|
| 3 | 135 |
7.2%
|
|
| 4 | 27 |
1.4%
|
|
| Sysmiss | 15 |