| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 1 |
0%
|
| 4 | 2 |
0.1%
|
|
| 5 | 1 |
0%
|
|
| 6 | 11 |
0.5%
|
|
| 7 | 54 |
2.6%
|
|
| 8 | 72 |
3.5%
|
|
| 9 | 55 |
2.6%
|
|
| 10 | 67 |
3.2%
|
|
| 11 | 24 |
1.2%
|
|
| 12 | 1795 |
86.2%
|
|
| Sysmiss | 1241 |