| Value | Category | Cases | |
|---|---|---|---|
| -9 | NIU (not in universe) | 989 |
44.6%
|
| 0 | 382 |
17.2%
|
|
| 1 | 24 |
1.1%
|
|
| 2 | 31 |
1.4%
|
|
| 3 | 16 |
0.7%
|
|
| 4 | 26 |
1.2%
|
|
| 5 | 22 |
1%
|
|
| 6 | 20 |
0.9%
|
|
| 7 | 17 |
0.8%
|
|
| 8 | 12 |
0.5%
|
|
| 9 | 20 |
0.9%
|
|
| 10 | 13 |
0.6%
|
|
| 11 | 30 |
1.4%
|
|
| 95 | since birth | 451 |
20.3%
|
| 98 | don't know | 52 |
2.3%
|
| 9999995 | missing:impute | 114 |
5.1%
|
