| Value | Category | Cases | |
|---|---|---|---|
| 0 | 97 |
2%
|
|
| 1 | 166 |
3.3%
|
|
| 2 | 12 |
0.2%
|
|
| 3 | 3 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| 96 | other | 0 |
0%
|
| 97 | refused | 0 |
0%
|
| 98 | don't know | 0 |
0%
|
| 99 | NIU (not in universe) | 3522 |
71%
|
| 9999995 | missing:impute | 1159 |
23.4%
|
