| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 281 |
76.8%
|
| 0 | 63 |
17.2%
|
|
| 1 | 11 |
3%
|
|
| 2 | 7 |
1.9%
|
|
| 3 | 1 |
0.3%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 1 |
0.3%
|
|
| 98 | don't know | 0 |
0%
|
| 9999995 | missing:impute | 1 |
0.3%
|
