| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Often | 130 |
9.2%
|
| 2 | 2 Sometimes | 277 |
19.7%
|
| 3 | 3 Not yet | 850 |
60.4%
|
| Sysmiss | 150 |
10.7%
|
|
| r | 1 |
0.1%
|