| Value | Category | Cases | |
|---|---|---|---|
| 0 | 977 |
64.4%
|
|
| 1 | 447 |
29.4%
|
|
| 2 | 84 |
5.5%
|
|
| 3 | 10 |
0.7%
|
|
| Sysmiss | 45 |