| Value | Category | Cases | |
|---|---|---|---|
| -9 | dont know | 2 |
1.6%
|
| 1 | none | 8 |
6.5%
|
| 2 | 1 | 4 |
3.3%
|
| 3 | 2-5 | 22 |
17.9%
|
| 4 | more than 5 | 87 |
70.7%
|
| Sysmiss | 1309 |