| Value | Category | Cases | |
|---|---|---|---|
| 0 | 155 |
95.7%
|
|
| 1 | 1 |
0.6%
|
|
| 2 | 1 |
0.6%
|
|
| 6 | 3 |
1.9%
|
|
| 10 | 1 |
0.6%
|
|
| 13 | 1 |
0.6%
|
|
| 97 | Moer then 97 | 0 |
0%
|
| 98 | DK | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 30 |