| Value | Category | Cases | |
|---|---|---|---|
| 0 | 397 |
1.8%
|
|
| 1 | 573 |
2.6%
|
|
| 2 | 75 |
0.3%
|
|
| 3 | 11 |
0.1%
|
|
| 4 | 4 |
0%
|
|
| 5 | 1 |
0%
|
|
| 96 | other | 0 |
0%
|
| 97 | refused | 0 |
0%
|
| 98 | don't know | 0 |
0%
|
| 99 | NIU (not in universe) | 20621 |
94.8%
|
| 9999995 | missing:impute | 81 |
0.4%
|
