| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 165 |
66.5%
|
| 1 | more frequent | 8 |
3.2%
|
| 2 | as frequent | 57 |
23%
|
| 3 | less frequent | 13 |
5.2%
|
| 98 | don't know | 2 |
0.8%
|
| 9999995 | missing:impute | 3 |
1.2%
|