| Value | Category | Cases | |
|---|---|---|---|
| 0 | 278 |
94.9%
|
|
| 1 | 9 |
3.1%
|
|
| 14 | 1 |
0.3%
|
|
| 98 | Don't know | 5 |
1.7%
|
| Sysmiss | 4 |