| Value | Category | Cases | |
|---|---|---|---|
| -2 | Refusal to answer | 0 |
0%
|
| -1 | Don't know | 0 |
0%
|
| 0 | 1027 |
98.5%
|
|
| 1 | 5 |
0.5%
|
|
| 2 | 4 |
0.4%
|
|
| 5 | 2 |
0.2%
|
|
| 10 | 3 |
0.3%
|
|
| 20 | 2 |
0.2%
|
|
| Sysmiss | 1590 |