| Value | Category | Cases | |
|---|---|---|---|
| 0 | 431 |
29.1%
|
|
| 1 | 484 |
32.7%
|
|
| 2 | 436 |
29.5%
|
|
| 3 | 108 |
7.3%
|
|
| 4 | 20 |
1.4%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 90 |