| Value | Category | Cases | |
|---|---|---|---|
| 0 | 320 |
26.4%
|
|
| 1 | 579 |
47.7%
|
|
| 2 | 235 |
19.4%
|
|
| 3 | 70 |
5.8%
|
|
| 4 | 8 |
0.7%
|
|
| 5 | 2 |
0.2%
|
|
| Sysmiss | 4612 |