| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 1 |
0.9%
|
| -8 | Refused | 0 |
0%
|
| -5 | Not Applicable | 0 |
0%
|
| -3 | Missing | 2 |
1.8%
|
| 0 | 99 |
90%
|
|
| 1 | 1 |
0.9%
|
|
| 15 | 1 |
0.9%
|
|
| 20 | 1 |
0.9%
|
|
| 30 | 1 |
0.9%
|
|
| 33 | 2 |
1.8%
|
|
| 60 | 1 |
0.9%
|
|
| 99 | 1 |
0.9%
|
|
| Sysmiss | 7186 |