| Value | Category | Cases | |
|---|---|---|---|
| 0 | During infancy | 2 |
0%
|
| 1 | 6 |
0.1%
|
|
| 2 | 12 |
0.2%
|
|
| 3 | 21 |
0.4%
|
|
| 4 | 41 |
0.7%
|
|
| 5 | 196 |
3.4%
|
|
| 6 | 441 |
7.6%
|
|
| 7 | 879 |
15.1%
|
|
| 8 | 1066 |
18.3%
|
|
| 9 | 1123 |
19.3%
|
|
| 10 | 958 |
16.5%
|
|
| 11 | 314 |
5.4%
|
|
| 12 | 339 |
5.8%
|
|
| 13 | 141 |
2.4%
|
|
| 14 | 50 |
0.9%
|
|
| 15 | 27 |
0.5%
|
|
| 16 | 4 |
0.1%
|
|
| 17 | 2 |
0%
|
|
| 97 | Inconsistent | 0 |
0%
|
| 98 | DK/Don't remember/Not sure | 168 |
2.9%
|
| 99 | Missing | 21 |
0.4%
|
| Sysmiss | 839 |