| Value | Category | Cases | |
|---|---|---|---|
| 0 | 8 |
0.1%
|
|
| 1 | 18 |
0.3%
|
|
| 2 | 33 |
0.5%
|
|
| 3 | 16 |
0.3%
|
|
| 4 | 17 |
0.3%
|
|
| 5 | 2 |
0%
|
|
| 6 | 2 |
0%
|
|
| 7 | 2 |
0%
|
|
| 8 | 1 |
0%
|
|
| 10 | 1 |
0%
|
|
| 20 | 1 |
0%
|
|
| 96 | other | 0 |
0%
|
| 97 | refused | 0 |
0%
|
| 98 | don't know | 182 |
2.9%
|
| 99 | NIU (not in universe) | 4706 |
75.7%
|
| 9999995 | missing:impute | 1229 |
19.8%
|
