| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 35 |
1%
|
| -8 | Refused | 10 |
0.3%
|
| -5 | Not Applicable | 7 |
0.2%
|
| -3 | Missing | 104 |
3%
|
| 0 | 3299 |
94.7%
|
|
| 3 | 1 |
0%
|
|
| 7 | 1 |
0%
|
|
| 10 | 2 |
0.1%
|
|
| 11 | 1 |
0%
|
|
| 15 | 2 |
0.1%
|
|
| 18 | 2 |
0.1%
|
|
| 20 | 9 |
0.3%
|
|
| 22 | 1 |
0%
|
|
| 28 | 1 |
0%
|
|
| 30 | 2 |
0.1%
|
|
| 32 | 1 |
0%
|
|
| 35 | 1 |
0%
|
|
| 50 | 1 |
0%
|
|
| 60 | 1 |
0%
|
|
| 80 | 1 |
0%
|
|
| Sysmiss | 3814 |