| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 162 |
65.3%
|
| 1 | more frequent | 16 |
6.5%
|
| 2 | as frequent | 54 |
21.8%
|
| 3 | less frequent | 10 |
4%
|
| 98 | don't know | 1 |
0.4%
|
| 9999995 | missing:impute | 5 |
2%
|