| Value | Category | Cases | |
|---|---|---|---|
| 0 | 119 |
54.1%
|
|
| 1 | 89 |
40.5%
|
|
| 2 | 8 |
3.6%
|
|
| 4 | 1 |
0.5%
|
|
| 99 | Not applicable | 3 |
1.4%
|
| Sysmiss | 30 |