| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Often | 1019 |
72.4%
|
| 2 | 2 Sometimes | 229 |
16.3%
|
| 3 | 3 Not yet | 9 |
0.6%
|
| Sysmiss | 150 |
10.7%
|
|
| d | 1 |
0.1%
|