| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 0 |
0%
|
| 1 | none | 3 |
4.8%
|
| 2 | one | 1 |
1.6%
|
| 3 | 2 to 5 | 12 |
19.4%
|
| 4 | more than 5 | 46 |
74.2%
|
| Sysmiss | 1024 |