| Value | Category | Cases | |
|---|---|---|---|
| 0 | 64 |
28.4%
|
|
| 1 | 144 |
64%
|
|
| 2 | 9 |
4%
|
|
| 3 | 6 |
2.7%
|
|
| 4 | 1 |
0.4%
|
|
| 6 | 1 |
0.4%
|
|
| 99 | Not applicable | 0 |
0%
|
| Sysmiss | 25 |