| Value | Category | Cases | |
|---|---|---|---|
| 0 | 246 |
82.3%
|
|
| 1 | 34 |
11.4%
|
|
| 2 | 10 |
3.3%
|
|
| 3 | 4 |
1.3%
|
|
| 4 | 1 |
0.3%
|
|
| 98 | Don't know | 4 |
1.3%
|
| Sysmiss | 3 |