| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 2611 |
99.2%
|
|
| 3 | 3 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| 6 | 1 |
0%
|
|
| 10 | 3 |
0.1%
|
|
| 20 | 4 |
0.2%
|
|
| 24 | 1 |
0%
|
|
| 30 | 3 |
0.1%
|
|
| 50 | 3 |
0.1%
|
|
| 60 | 1 |
0%
|
|
| 100 | 1 |
0%
|
|
| Sysmiss | 1 |