| Value | Category | Cases | |
|---|---|---|---|
| 0 | 539 |
60.9%
|
|
| 1 | 304 |
34.4%
|
|
| 2 | 36 |
4.1%
|
|
| 3 | 5 |
0.6%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 1115 |