| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 93 |
64.6%
|
| 1 | more frequent | 1 |
0.7%
|
| 2 | as frequent | 31 |
21.5%
|
| 3 | less frequent | 10 |
6.9%
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 9 |
6.3%
|