| Value | Category | Cases | |
|---|---|---|---|
| 0 | 563 |
55.9%
|
|
| 1 | 426 |
42.3%
|
|
| 2 | 17 |
1.7%
|
|
| 3 | 1 |
0.1%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 1 |