| Value | Category | Cases | |
|---|---|---|---|
| -2 | Don't know | 294 |
10.6%
|
| 0 | 2050 |
74.2%
|
|
| 1 | 348 |
12.6%
|
|
| 2 | 68 |
2.5%
|
|
| 3 | 2 |
0.1%
|
|
| Sysmiss | 237 |