| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 119 |
78.3%
|
| 1 | 30 |
19.7%
|
|
| 3 | 2 |
1.3%
|
|
| 5 | 1 |
0.7%
|
|
| 77 | refused | 0 |
0%
|
| 88 | don't know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| Sysmiss | 4818 |