| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 Often | 93 |
6.6%
|
| 2 | 2 Sometimes | 129 |
9.2%
|
| 3 | 3 Not yet | 1035 |
73.5%
|
| Sysmiss | 150 |
10.7%
|
|
| d | 1 |
0.1%
|