| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Often | 320 |
22.7%
|
| 2 | 2 Sometimes | 426 |
30.3%
|
| 3 | 3 Not yet | 510 |
36.2%
|
| Sysmiss | 150 |
10.7%
|
|
| d | 2 |
0.1%
|